Lee & Ko: Warning
Regarding Impersonation
and Fraudulent Activity
Regarding Impersonation
and Fraudulent Activity
We have recently become aware of various
fraudulent activities involving the impersonation of
Lee & Ko. These scams utilize the unauthorized use
of our firm's name, logo, and the photos or profiles
of our attorneys to solicit investments, defraud
individuals, attempt phishing, and distribute
malicious emails via social media
and other online platforms.
These fraudulent communications may appear
under subject lines such as "Intellectual Property
Rights Infringement Notice" or "Copyright
Infringement Notice." They may also involve
requests for funds, investment proposals, or
brokerage services, among other
deceptive practices.
Please be advised that Lee & Ko and our
professionals do not, under any circumstances,
solicit investments, provide brokerage services, or
request personal information through
such channels.
If you receive any suspicious communications, do
not open the email or message (or any
attachments). Please report the incident
immediately to mail@leeko.com or the police (112
in Korea), and subsequently delete the message.
법무법인(유) 광장
사칭 범죄 유의 안내
사칭 범죄 유의 안내
최근 법무법인(유) 광장의 명의, 로고,
소속 변호사 사진, 프로필 등을 사칭하여
SNS 투자권유, 금원 편취, 피싱 시도, 이메일 유포 등을 하는
다양한 사칭 형태가 발생하고 있습니다.
사칭 이메일이나 메시지는 "지적 재산권 침해 통지서"
또는 "저작권 침해 통지" 등의 제목일 수도 있고,
여하한 명목의 금원 요청이나,
투자권유 또는 주선행위일 수 있으나,
그 외에도 다양한 사칭행위가 있을 수 있습니다.
법무법인(유) 광장이나 광장의 전문가들은 어떠한 경우에도
투자권유 또는 주선, 개인정보 요청을 하지 않습니다.
사칭하는 의심스러운 연락을 받으시는 경우,
절대 이메일이나 메시지를 열지 마시고 mail@leeko.com
또는 112로 신고 후 삭제하여 주시기 바랍니다
오늘 하루 닫기
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最新入职专家
Ji Heon Koo
Jiheon Koo is a Certified Public Accountant specializing in corporate and financial taxation, with deep expertise in the real estate and alternative investment sectors. He has extensive experience advising a broad spectrum of clients, including financial holding companies, asset management firms, and major domestic enterprises in the manufacturing and construction industries, on complex tax matters and audit defense strategies.
His practice covers tax diagnosis, rectification claims, and tax appeals involving both national and local taxes. Mr. Koo has also advised on complex corporate governance restructurings, including mergers and spin-offs, and provided specialized counsel on local tax incentives, heavy taxation issues, and valuation of unlisted shares under the Inheritance and Gift Tax Act. In addition, he offers strategic financial advisory and feasibility reviews for large-scale infrastructure and real estate projects, supporting financial institutions, REITs, and PFVs in achieving tax-efficient structures while ensuring full regulatory compliance.
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His practice covers tax diagnosis, rectification claims, and tax appeals involving both national and local taxes. Mr. Koo has also advised on complex corporate governance restructurings, including mergers and spin-offs, and provided specialized counsel on local tax incentives, heavy taxation issues, and valuation of unlisted shares under the Inheritance and Gift Tax Act. In addition, he offers strategic financial advisory and feasibility reviews for large-scale infrastructure and real estate projects, supporting financial institutions, REITs, and PFVs in achieving tax-efficient structures while ensuring full regulatory compliance.
Hun HEO
Hun Heo joined Lee & Ko in 2025 following a distinguished 17-year career as a public prosecutor, most recently serving as Chief of the Public Investigation Department at the Suwon District Prosecutors’ Office. He brings extensive expertise in serious industrial accident cases, labor-related criminal matters, public security and election law, and corporate crime investigations.
Throughout his prosecutorial career, Mr. Heo held a number of key leadership and investigative roles, including in the Public Security Divisions of the Seoul Central and Busan District Prosecutors’ Offices, Deputy Chief Prosecutor responsible for serious industrial accident cases at the Anyang Branch, Chief Prosecutor of the Public Investigation Division at the Seongnam Branch, and Head of the Miryang Branch.
He led and supervised multiple high-profile cases, including a fatal fire at a battery manufacturing facility, a major wage arrears case involving the chairman of a major corporation, and an obstruction of union activities case involving an affiliate of a large conglomerate. In 2022, he was certified as a Specialized Prosecutor in Labor Affairs by the Supreme Prosecutors’ Office and earned his master’s degree in labor law from Korea University.
With a strong academic foundation and extensive experience across all stages of criminal investigation and prosecution, Mr. Heo is highly regarded for his expertise in industrial safety and serious accident cases, labor and employment criminal matters, election and political fund violations, corporate misconduct, and anti-corruption investigations.
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Throughout his prosecutorial career, Mr. Heo held a number of key leadership and investigative roles, including in the Public Security Divisions of the Seoul Central and Busan District Prosecutors’ Offices, Deputy Chief Prosecutor responsible for serious industrial accident cases at the Anyang Branch, Chief Prosecutor of the Public Investigation Division at the Seongnam Branch, and Head of the Miryang Branch.
He led and supervised multiple high-profile cases, including a fatal fire at a battery manufacturing facility, a major wage arrears case involving the chairman of a major corporation, and an obstruction of union activities case involving an affiliate of a large conglomerate. In 2022, he was certified as a Specialized Prosecutor in Labor Affairs by the Supreme Prosecutors’ Office and earned his master’s degree in labor law from Korea University.
With a strong academic foundation and extensive experience across all stages of criminal investigation and prosecution, Mr. Heo is highly regarded for his expertise in industrial safety and serious accident cases, labor and employment criminal matters, election and political fund violations, corporate misconduct, and anti-corruption investigations.
Kwonkyu RHEE
Kwonkyu Rhee joined Lee & Ko in 2026 after serving for 12 years with the Korean National Police Agency, most recently as Chief of the Criminal Division at a district police station in Seoul. During his police service, he worked in the Seoul Metropolitan Police Agency’s Intelligent Crime Investigation Unit (now the Metropolitan Investigation Unit) and at district police stations in Seoul, building extensive experience in investigations and criminal matters. He draws on this experience to advise and represent clients in a wide range of criminal matters and to provide practical and effective legal solutions.
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Dae Hyon CHOI
Dae Hyon Choi is senior advisor at Lee & Ko. He has extensive experience in corporate banking, investment banking, corporate restructuring, private equity, and capital markets, built over a distinguished 31-year career at the Korea Development Bank.
At KDB, Mr. Choi held a number of senior leadership positions, including Executive Vice President of Corporate Banking and Senior Executive Vice President. He played a leading role in some of Korea’s most significant corporate restructuring and financial stabilization matters, including the privatization and normalization of Daewoo Shipbuilding & Marine Engineering, now Hanwha Ocean; the integration of Korean Air and Asiana Airlines; and the restructuring and normalization of HMM, Doosan Group, GM Korea, and Kumho Tire.
From 2023 to 2025, Mr. Choi served as Chief Executive Officer of KDB Investment, a KDB subsidiary specializing in corporate restructuring investments, private equity fund management, and the management and disposition of assets held by KDB and its affiliates. Based on his broad experience across policy finance, corporate restructuring, private equity, mergers and acquisitions, and investment banking, he advises clients on complex corporate and financial matters.
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At KDB, Mr. Choi held a number of senior leadership positions, including Executive Vice President of Corporate Banking and Senior Executive Vice President. He played a leading role in some of Korea’s most significant corporate restructuring and financial stabilization matters, including the privatization and normalization of Daewoo Shipbuilding & Marine Engineering, now Hanwha Ocean; the integration of Korean Air and Asiana Airlines; and the restructuring and normalization of HMM, Doosan Group, GM Korea, and Kumho Tire.
From 2023 to 2025, Mr. Choi served as Chief Executive Officer of KDB Investment, a KDB subsidiary specializing in corporate restructuring investments, private equity fund management, and the management and disposition of assets held by KDB and its affiliates. Based on his broad experience across policy finance, corporate restructuring, private equity, mergers and acquisitions, and investment banking, he advises clients on complex corporate and financial matters.
Hoo Gon KIM
Hoo Gon Kim served as a prosecutor for 27 years until 2022, followed by three years in private practice before joining Lee & Ko, where he currently serves as the Managing Partner overseeing the White-Collar Crime Practice Group. During his tenure as a prosecutor, he worked in specialized divisions such as the Special Investigation Division and the High-Tech Crime Investigation Division, handling high-profile cases involving senior public officials and corporate corruption, overseas leakage of national core technologies, defense industry corruption, IT-related crimes, and personal information breaches. He was also seconded to the Korea Communications Commission, where he acted as a legal advisor on key industry issues, including mergers in the telecommunications and broadcasting sectors and sports broadcasting rights.
Throughout his prosecutorial career, Mr. Kim held key leadership roles such as Senior Research Officer at the Supreme Public Prosecutors Office’s Anti-Corruption Bureau, Chief Prosecutor of the First Special Investigation Division at the Seoul Central District Prosecutors Office, and Chief Prosecutor of the Special Investigation Division at the Suwon District Prosecutors Office, where he directed investigations into major corruption cases, demonstrating exceptional case resolution capabilities. As Spokesperson of the Supreme Public Prosecutors Office, he developed strong expertise in investigative public relations and communications. After being promoted to the Chief Prosecutor, he served as Director of the Appellate Litigation Bureau at the Supreme Public Prosecutors Office and as Director General of the Ministry of Justice’s Planning and Coordination Office. In these roles, he founded the "Trial Avengers" team to enhance trial expertise, led initiatives to improve the recovery and enforcement of criminal proceeds, and played a central role in formulating key policies for the Ministry of Justice and the prosecution service. He subsequently served as Chief Prosecutor of the Northern District of Seoul, Daegu, and the Seoul High Prosecutors Office, where he handled significant socially sensitive and corporate cases with fairness and sound judgment. Recognizing the rapid changes in technology, he founded and led the AI & Blockchain Community, a research group dedicated to addressing legal challenges arising from advancements in IT, including artificial intelligence and blockchain technology.
Drawing on this extensive experience, Mr. Kim now advises and represents clients in major criminal matters and corporate advisory work across industries, including corporate law, capital markets, virtual assets, technology theft, and real estate. He remains committed to delivering optimal solutions for his clients through deep expertise and strategic insight.
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Throughout his prosecutorial career, Mr. Kim held key leadership roles such as Senior Research Officer at the Supreme Public Prosecutors Office’s Anti-Corruption Bureau, Chief Prosecutor of the First Special Investigation Division at the Seoul Central District Prosecutors Office, and Chief Prosecutor of the Special Investigation Division at the Suwon District Prosecutors Office, where he directed investigations into major corruption cases, demonstrating exceptional case resolution capabilities. As Spokesperson of the Supreme Public Prosecutors Office, he developed strong expertise in investigative public relations and communications. After being promoted to the Chief Prosecutor, he served as Director of the Appellate Litigation Bureau at the Supreme Public Prosecutors Office and as Director General of the Ministry of Justice’s Planning and Coordination Office. In these roles, he founded the "Trial Avengers" team to enhance trial expertise, led initiatives to improve the recovery and enforcement of criminal proceeds, and played a central role in formulating key policies for the Ministry of Justice and the prosecution service. He subsequently served as Chief Prosecutor of the Northern District of Seoul, Daegu, and the Seoul High Prosecutors Office, where he handled significant socially sensitive and corporate cases with fairness and sound judgment. Recognizing the rapid changes in technology, he founded and led the AI & Blockchain Community, a research group dedicated to addressing legal challenges arising from advancements in IT, including artificial intelligence and blockchain technology.
Drawing on this extensive experience, Mr. Kim now advises and represents clients in major criminal matters and corporate advisory work across industries, including corporate law, capital markets, virtual assets, technology theft, and real estate. He remains committed to delivering optimal solutions for his clients through deep expertise and strategic insight.
Won Jee JANG
Won Jee Jang is an attorney in Lee & Ko’s Litigation & Arbitration Practice Group. Before joining Lee & Ko, Ms. Jang served for 17 years as a judge in Korea, most recently as a Presiding Judge at the Daejeon District Court. During her judicial career, Ms. Jang handled a broad range of civil, criminal, and family law matters at major courts, including the Seoul Central District Court, Seoul Southern District Court, Seoul Western District Court, Incheon District Court, and Daejeon District Court. She presided over and adjudicated complex disputes across diverse industries and subject areas, including corporate criminal defense, serious accidents, corporate finance, environmental law, construction and real estate, medical and healthcare, food and public health, media, and family law. Since joining Lee & Ko in 2026, Ms. Jang has drawn on her extensive judicial experience and insight to provide strategic advice in complex disputes and investigations, with a focus on protecting clients’ interests and achieving effective resolutions.
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Sangrok SHIN
Sangrok Shin is a financial legal expert with approximately 20 years of experience at major Korean government agencies, including the Financial Services Commission (FSC) and the Ministry of Finance and Economy. He has extensive experience advising on a broad spectrum of financial regulatory matters, including capital markets investigations, electronic finance, credit information, insurance, anti-money laundering (AML), and banking. His expertise covers sanctions and enforcement, licensing and approvals, regulatory reform, statutory interpretation, and overall financial regulatory compliance.
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Yu Deok KIM
Yu Deok Kim is an attorney in Lee & Ko’s Criminal Defense Practice Group. His practice focuses on criminal investigations and trials, corporate criminal risk, serious industrial accidents, trade secrets and corporate information protection, anti-corruption, data protection and privacy, and regulatory compliance.
Before becoming an attorney, Mr. Kim served as a police officer for approximately 14 years, gaining extensive experience in criminal investigations and field operations at major police agencies across Korea. His experience includes financial and economic crime investigations, internal affairs, intelligence, and community policing. Based on his deep understanding of investigative procedures and criminal proceedings, Mr. Kim represents individuals, corporations, executives, and employees in a wide range of criminal matters arising from business activities, including embezzlement, breach of trust, fraud, trade secret infringement, data protection and privacy, defamation, industrial safety, anti-corruption, and compliance matters. Mr. Kim advises clients throughout the entire criminal process, including initial fact-finding, development of defense strategies, preparation for and attendance at investigative interviews, communications with investigative authorities, and preparation of legal briefs.
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Before becoming an attorney, Mr. Kim served as a police officer for approximately 14 years, gaining extensive experience in criminal investigations and field operations at major police agencies across Korea. His experience includes financial and economic crime investigations, internal affairs, intelligence, and community policing. Based on his deep understanding of investigative procedures and criminal proceedings, Mr. Kim represents individuals, corporations, executives, and employees in a wide range of criminal matters arising from business activities, including embezzlement, breach of trust, fraud, trade secret infringement, data protection and privacy, defamation, industrial safety, anti-corruption, and compliance matters. Mr. Kim advises clients throughout the entire criminal process, including initial fact-finding, development of defense strategies, preparation for and attendance at investigative interviews, communications with investigative authorities, and preparation of legal briefs.
Beomsang LIM
Beomsang Lim is an attorney at Lee & Ko with extensive experience advising Korean companies on Indonesia-related legal matters. Since 2020, Mr. Lim has been based in Indonesia, where he has advised Korean financial institutions, conglomerates and other corporate clients on their market entry, business expansion, investments, acquisitions, regulatory matters and disputes.
Mr. Lim’s practice covers a broad range of corporate and regulatory matters, including mergers and acquisitions, foreign investment, financial regulations, antitrust and competition, labor and employment, and civil and criminal disputes. Drawing on his on-the-ground experience in Indonesia and his close working relationships with local counsel and relevant professionals, he provides practical and commercially focused advice tailored to the needs of Korean clients operating or investing in Indonesia.
In the M&A and corporate advisory area, Mr. Lim has advised Korean financial institutions, including financial groups, commercial banks, automotive finance companies, securities firms and state-owned banks, on a variety of Indonesia-related transactions and regulatory matters. His experience includes the establishment of financial holding companies, capital restructuring, acquisitions of local companies, joint ventures, financial regulatory advice and general corporate operations. He has also advised Korean companies on strategic investments and acquisitions in the natural resources, technology and industrial sectors, including nickel mining projects and equity transactions involving Indonesian joint ventures.
Mr. Lim has also advised Korean companies on joint operation structures, master franchise arrangements, corporate reorganizations and divestitures involving Indonesian subsidiaries and business units. His experience includes assisting Korean IT, food and beverage, and conglomerate clients with structuring, negotiation and implementation of their Indonesia-related business arrangements.
In the infrastructure and real estate sectors, Mr. Lim has advised Korean asset management companies and investors on projects involving data centers, hydroelectric power plants and hospitality developments in Indonesia, including legal issues relating to land acquisition, security interests and project implementation.
Mr. Lim also has significant experience in dispute resolution and regulatory defense. He has represented Korean financial institutions and corporate clients in civil litigation, arbitration and bankruptcy-related proceedings, including proceedings for Suspension of Debt Payment Obligations, known in Indonesia as PKPU, and has advised clients on regulatory investigations, enforcement risks and other sensitive matters involving Indonesian authorities.
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Mr. Lim’s practice covers a broad range of corporate and regulatory matters, including mergers and acquisitions, foreign investment, financial regulations, antitrust and competition, labor and employment, and civil and criminal disputes. Drawing on his on-the-ground experience in Indonesia and his close working relationships with local counsel and relevant professionals, he provides practical and commercially focused advice tailored to the needs of Korean clients operating or investing in Indonesia.
In the M&A and corporate advisory area, Mr. Lim has advised Korean financial institutions, including financial groups, commercial banks, automotive finance companies, securities firms and state-owned banks, on a variety of Indonesia-related transactions and regulatory matters. His experience includes the establishment of financial holding companies, capital restructuring, acquisitions of local companies, joint ventures, financial regulatory advice and general corporate operations. He has also advised Korean companies on strategic investments and acquisitions in the natural resources, technology and industrial sectors, including nickel mining projects and equity transactions involving Indonesian joint ventures.
Mr. Lim has also advised Korean companies on joint operation structures, master franchise arrangements, corporate reorganizations and divestitures involving Indonesian subsidiaries and business units. His experience includes assisting Korean IT, food and beverage, and conglomerate clients with structuring, negotiation and implementation of their Indonesia-related business arrangements.
In the infrastructure and real estate sectors, Mr. Lim has advised Korean asset management companies and investors on projects involving data centers, hydroelectric power plants and hospitality developments in Indonesia, including legal issues relating to land acquisition, security interests and project implementation.
Mr. Lim also has significant experience in dispute resolution and regulatory defense. He has represented Korean financial institutions and corporate clients in civil litigation, arbitration and bankruptcy-related proceedings, including proceedings for Suspension of Debt Payment Obligations, known in Indonesia as PKPU, and has advised clients on regulatory investigations, enforcement risks and other sensitive matters involving Indonesian authorities.
Byungnam AHN
Byungnam Ahn is a financial regulation expert with approximately 25 years of experience at the Financial Supervisory Service (FSS), where he specialized in the supervision and examination of financial institutions. His work focuses on banking regulation, financial compliance, internal controls, governance, and digital finance, including virtual assets.
During his tenure at the FSS, Mr. Ahn held key positions in banking examination, sanctions review, digital finance, and virtual asset supervision. He has extensive experience across the full cycle of bank examinations, including examination planning, off-site monitoring, on-site examinations, sanctions review, and follow-up measures. He also planned and conducted periodic and thematic examinations of financial holding companies and banks, covering financial incidents, management status evaluations, prudential soundness, internal controls, and corporate governance.
Mr. Ahn also handled sanctions review for high-profile matters involving significant market and public impact, including the HSCEI ELS mis-selling case and illegal lending cases involving banks. In addition, he participated in the Task Force for Advancing Governance in the Financial Sector, contributing to efforts to enhance transparency, accountability, and stability in Korea’s financial industry.
In the area of digital finance, Mr. Ahn played a leading role in the development of Korea’s regulatory framework for virtual assets. From 2022 to 2024, he worked closely with the National Assembly and relevant government authorities in connection with the enactment of the Virtual Asset User Protection Act and its subordinate regulations. In 2024, he led the preparation and implementation of the regulatory roadmap for virtual asset service providers (VASPs), supporting the effective implementation of the new law and the stable development of Korea’s virtual asset market.
Mr. Ahn also worked with the Digital Asset Exchange Association (DAXA) on market self-regulatory initiatives, including best practices for virtual asset transaction support, designed to address regulatory gaps during Korea’s phased legislative process for virtual assets. He also contributed to user protection measures, including guidelines for business closures and the establishment of dedicated foundations to support affected users.
Drawing on his experience in both traditional financial supervision and emerging digital asset regulation, Mr. Ahn provides strategic and practical advice to financial institutions, fintech companies, virtual asset service providers, and other market participants on financial regulation, examination response, internal controls, governance, digital finance, and regulatory risk management.
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During his tenure at the FSS, Mr. Ahn held key positions in banking examination, sanctions review, digital finance, and virtual asset supervision. He has extensive experience across the full cycle of bank examinations, including examination planning, off-site monitoring, on-site examinations, sanctions review, and follow-up measures. He also planned and conducted periodic and thematic examinations of financial holding companies and banks, covering financial incidents, management status evaluations, prudential soundness, internal controls, and corporate governance.
Mr. Ahn also handled sanctions review for high-profile matters involving significant market and public impact, including the HSCEI ELS mis-selling case and illegal lending cases involving banks. In addition, he participated in the Task Force for Advancing Governance in the Financial Sector, contributing to efforts to enhance transparency, accountability, and stability in Korea’s financial industry.
In the area of digital finance, Mr. Ahn played a leading role in the development of Korea’s regulatory framework for virtual assets. From 2022 to 2024, he worked closely with the National Assembly and relevant government authorities in connection with the enactment of the Virtual Asset User Protection Act and its subordinate regulations. In 2024, he led the preparation and implementation of the regulatory roadmap for virtual asset service providers (VASPs), supporting the effective implementation of the new law and the stable development of Korea’s virtual asset market.
Mr. Ahn also worked with the Digital Asset Exchange Association (DAXA) on market self-regulatory initiatives, including best practices for virtual asset transaction support, designed to address regulatory gaps during Korea’s phased legislative process for virtual assets. He also contributed to user protection measures, including guidelines for business closures and the establishment of dedicated foundations to support affected users.
Drawing on his experience in both traditional financial supervision and emerging digital asset regulation, Mr. Ahn provides strategic and practical advice to financial institutions, fintech companies, virtual asset service providers, and other market participants on financial regulation, examination response, internal controls, governance, digital finance, and regulatory risk management.
Jeong Yeon HONG
Jeong Yeon Hong is a criminal law specialist at Lee & Ko. Prior to joining the firm in 2026, she served for 18 years as a prosecutor and most recently held the position of Head of the Labor Investigation Support Division at the Supreme Prosecutors’ Office. She has built extensive expertise in industrial accidents, labor-related investigations, and criminal justice matters through a distinguished public service career.
During her tenure as a prosecutor, Ms. Hong was seconded to the Ministry of Employment and Labor, where she was responsible for providing legal advice on industrial accidents and conducting investigative procedure training for industrial accident inspection supervisors. She also served as head of the dedicated labor division at the Cheonan Branch of the Daejeon District Prosecutors’ Office and as a prosecutor in the Policy Planning Division of the Ministry of Justice, further broadening her experience in labor law, industrial accident matters, and legal policy. In her most recent role at the Supreme Prosecutors’ Office, she directed and supported labor-related investigations nationwide. Ms. Hong combines strong academic and policy grounding with substantial investigative and trial experience across industrial accidents, labor investigations, and criminal matters.
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During her tenure as a prosecutor, Ms. Hong was seconded to the Ministry of Employment and Labor, where she was responsible for providing legal advice on industrial accidents and conducting investigative procedure training for industrial accident inspection supervisors. She also served as head of the dedicated labor division at the Cheonan Branch of the Daejeon District Prosecutors’ Office and as a prosecutor in the Policy Planning Division of the Ministry of Justice, further broadening her experience in labor law, industrial accident matters, and legal policy. In her most recent role at the Supreme Prosecutors’ Office, she directed and supported labor-related investigations nationwide. Ms. Hong combines strong academic and policy grounding with substantial investigative and trial experience across industrial accidents, labor investigations, and criminal matters.
Jeong Hwa KIM
Jeong Hwa Kim is a partner in the Criminal Defense Group at Lee & Ko. Before joining the firm in 2026, she served for ten years as a prosecutor, most recently leading labor and serious industrial accident cases at the Seoul Western District Prosecutors' Office.
Over the course of her prosecutorial career, Ms. Kim established a strong track record in labor and occupational safety matters. She handled significant unfair labor practice cases involving listed companies and investigated alleged violations of the Trade Union and Labor Relations Adjustment Act by major platform operators and educational foundations. She also led prosecutions involving serious accidents at large-scale construction sites and industrial facilities. Reflecting her recognized expertise in this area, she served in 2025 as General Supervisor of the Prosecution Service’s Manual on Serious Industrial Accident Cases.
In addition, Ms. Kim played a leading role in research on artificial intelligence and advanced technologies within the prosecution service. She headed both the Supreme Prosecutors’ Office AI and Blockchain Community and the AI Criminal Law Research Group, and authored multiple papers in these fields. She also actively participated in international discussions on these emerging issues, demonstrating strong cross-border communication capabilities by serving as both moderator and simultaneous interpreter at international conferences on digital assets attended by prosecutors from various jurisdictions.
Based on this experience, Ms. Kim advises clients across a wide range of matters, including crimes involving artificial intelligence and virtual assets, labor and serious industrial accident cases, cross-border criminal disputes, and compliance issues.
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Over the course of her prosecutorial career, Ms. Kim established a strong track record in labor and occupational safety matters. She handled significant unfair labor practice cases involving listed companies and investigated alleged violations of the Trade Union and Labor Relations Adjustment Act by major platform operators and educational foundations. She also led prosecutions involving serious accidents at large-scale construction sites and industrial facilities. Reflecting her recognized expertise in this area, she served in 2025 as General Supervisor of the Prosecution Service’s Manual on Serious Industrial Accident Cases.
In addition, Ms. Kim played a leading role in research on artificial intelligence and advanced technologies within the prosecution service. She headed both the Supreme Prosecutors’ Office AI and Blockchain Community and the AI Criminal Law Research Group, and authored multiple papers in these fields. She also actively participated in international discussions on these emerging issues, demonstrating strong cross-border communication capabilities by serving as both moderator and simultaneous interpreter at international conferences on digital assets attended by prosecutors from various jurisdictions.
Based on this experience, Ms. Kim advises clients across a wide range of matters, including crimes involving artificial intelligence and virtual assets, labor and serious industrial accident cases, cross-border criminal disputes, and compliance issues.
Sejin JUNG
Sejin Jung is an attorney whose primary areas of expertise include information security, digital finance, and financial IT. Drawing on his academic background in electronic engineering and prior experience as an engineer, Mr. Jung provides technically grounded and practical legal advice on matters involving complex technologies and regulatory issues.
Mr. Jung has extensive experience advising on cutting-edge areas of technological and financial innovation, including big data, MyData, artificial intelligence, cloud computing, digital finance, and innovative financial services. He also actively contributes to the development of Korea’s data protection and cybersecurity regulatory frameworks by serving as an advisor and committee member to various government agencies and public institutions.
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Mr. Jung has extensive experience advising on cutting-edge areas of technological and financial innovation, including big data, MyData, artificial intelligence, cloud computing, digital finance, and innovative financial services. He also actively contributes to the development of Korea’s data protection and cybersecurity regulatory frameworks by serving as an advisor and committee member to various government agencies and public institutions.
Jung Won KIM
Jung Won Kim is an internationally recognized expert in constitutional law. He served as a judge for approximately 20 years at various district courts and the Seoul High Court, and for 13 years as Rapporteur Judge and Secretary General of the Constitutional Court of Korea. His extensive career combines deep experience in both trial and constitutional adjudication, as well as active engagement in international constitutional cooperation as a substitute member of the Venice Commission and head of the Permanent Secretariat for Research and Development of the Association of the Asian Constitutional Courts (AACC SRD).
In his judicial career, Mr. Kim handled a wide range of civil, criminal, and family cases, while also conducting specialized research and authoring numerous papers, including “The Duty to Appear as a Witness and Criminal Liability under the Statute Concerning Witness and Expert Opinion” and “When Is Perjury Completed as a Crime?” He contributed to the development of judicial scholarship through his work with the Research Group for Criminal Cases, participation in Cases and Practice in the Incheon District Court, and revision of key reference materials such as the Tax Law Textbook published by the Judicial Research and Training Institute and the Manual for Court Practitioners on Family Law published by the National Court Administration.
As a Rapporteur Judge at the Constitutional Court, Mr. Kim dealt with a broad spectrum of constitutional issues across political, economic, social, and cultural domains. He also contributed to the advancement of constitutional adjudication as Chair of the Compilation Committee and member of the Supervisory Committee for the revision of the Manual for Constitutional Adjudication, a key practical guideline issued by the Constitutional Court. During his tenure as Deputy Secretary General, he represented the Republic of Korea in the Venice Commission, the Council of Europe’s advisory body on constitutional matters, and played a central role in establishing the AACC SRD in Seoul.
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In his judicial career, Mr. Kim handled a wide range of civil, criminal, and family cases, while also conducting specialized research and authoring numerous papers, including “The Duty to Appear as a Witness and Criminal Liability under the Statute Concerning Witness and Expert Opinion” and “When Is Perjury Completed as a Crime?” He contributed to the development of judicial scholarship through his work with the Research Group for Criminal Cases, participation in Cases and Practice in the Incheon District Court, and revision of key reference materials such as the Tax Law Textbook published by the Judicial Research and Training Institute and the Manual for Court Practitioners on Family Law published by the National Court Administration.
As a Rapporteur Judge at the Constitutional Court, Mr. Kim dealt with a broad spectrum of constitutional issues across political, economic, social, and cultural domains. He also contributed to the advancement of constitutional adjudication as Chair of the Compilation Committee and member of the Supervisory Committee for the revision of the Manual for Constitutional Adjudication, a key practical guideline issued by the Constitutional Court. During his tenure as Deputy Secretary General, he represented the Republic of Korea in the Venice Commission, the Council of Europe’s advisory body on constitutional matters, and played a central role in establishing the AACC SRD in Seoul.
Seokchun YUN
Seokchun Yun is a partner in Lee & Ko’s International Arbitration & Cross-Border Disputes Practice Group. His practice focuses on international arbitration, investment treaty arbitration, international litigation, enforcement of foreign judgments and arbitral awards, international trade, international tax, foreign investment, construction and real estate disputes, and shareholder disputes involving complex cross-border elements.
Mr. Yun has represented sovereign states, state-owned enterprises, global private equity funds, and major multinational corporations in arbitration proceedings under the rules of leading arbitral institutions, including ICSID, ICC, LCIA, SIAC, HKIAC, ICDR, LMAA, JCAA, and KCAB, as well as in ad hoc proceedings. His investment treaty arbitration experience is particularly notable. He played a leading role in defending the Republic of Korea in the landmark Lone Star ICSID arbitration and related annulment proceedings, and also represented the State in proceedings before the English courts challenging the Elliott UNCITRAL investment arbitration award, securing complete victories for the Republic of Korea.
Mr. Yun’s practice is distinguished by the breadth of jurisdictions, legal systems, and international instruments involved in his matters. He has handled disputes and advisory matters implicating Korean, English, U.S. federal and state, Singapore, Hong Kong, Canadian, Australian, German, French, Italian, Swiss, Russian, Japanese, and Chinese law, as well as the CISG, UNIDROIT Principles, WTO rules, and investment treaties. This experience gives him particular strength in comparative legal analysis and in the strategic handling of disputes involving multiple legal regimes.
In addition to his extensive private practice experience, Mr. Yun brings a rare combination of law firm, in-house, and arbitral institution experience. He previously served as General Counsel of a leading autonomous-driving technology company and as Deputy Secretary-General of KCAB International. This background enables him to approach complex disputes with a practical understanding of both commercial realities and arbitral procedure.
Mr. Yun also has significant experience in cross-border enforcement, asset recovery, and international litigation. During his time at Kobre & Kim in New York, he worked on foreign judgment and arbitral award enforcement, asset tracing and recovery, and litigation before U.S. federal and state courts. He has also represented parties in international mediation proceedings before the Singapore International Mediation Centre and advised the Korean government in WTO dispute settlement matters.
Beyond his practice, Mr. Yun is actively involved in the arbitration and international law communities. He serves as Vice President of the Korean Association of Arbitration Studies, Research Director of the Korea International Trade Law Association, Public Relations Director of the Korean Private International Law Association, and Chair of the Americas Subcommittee of the Seoul Bar Association International Committee. He has taught Civil Procedure at Seoul National University College of Law and has authored or co-authored numerous books, treatises, journal articles, and international publications on arbitration, investment treaty disputes, international trade, and procedural law.
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Mr. Yun has represented sovereign states, state-owned enterprises, global private equity funds, and major multinational corporations in arbitration proceedings under the rules of leading arbitral institutions, including ICSID, ICC, LCIA, SIAC, HKIAC, ICDR, LMAA, JCAA, and KCAB, as well as in ad hoc proceedings. His investment treaty arbitration experience is particularly notable. He played a leading role in defending the Republic of Korea in the landmark Lone Star ICSID arbitration and related annulment proceedings, and also represented the State in proceedings before the English courts challenging the Elliott UNCITRAL investment arbitration award, securing complete victories for the Republic of Korea.
Mr. Yun’s practice is distinguished by the breadth of jurisdictions, legal systems, and international instruments involved in his matters. He has handled disputes and advisory matters implicating Korean, English, U.S. federal and state, Singapore, Hong Kong, Canadian, Australian, German, French, Italian, Swiss, Russian, Japanese, and Chinese law, as well as the CISG, UNIDROIT Principles, WTO rules, and investment treaties. This experience gives him particular strength in comparative legal analysis and in the strategic handling of disputes involving multiple legal regimes.
In addition to his extensive private practice experience, Mr. Yun brings a rare combination of law firm, in-house, and arbitral institution experience. He previously served as General Counsel of a leading autonomous-driving technology company and as Deputy Secretary-General of KCAB International. This background enables him to approach complex disputes with a practical understanding of both commercial realities and arbitral procedure.
Mr. Yun also has significant experience in cross-border enforcement, asset recovery, and international litigation. During his time at Kobre & Kim in New York, he worked on foreign judgment and arbitral award enforcement, asset tracing and recovery, and litigation before U.S. federal and state courts. He has also represented parties in international mediation proceedings before the Singapore International Mediation Centre and advised the Korean government in WTO dispute settlement matters.
Beyond his practice, Mr. Yun is actively involved in the arbitration and international law communities. He serves as Vice President of the Korean Association of Arbitration Studies, Research Director of the Korea International Trade Law Association, Public Relations Director of the Korean Private International Law Association, and Chair of the Americas Subcommittee of the Seoul Bar Association International Committee. He has taught Civil Procedure at Seoul National University College of Law and has authored or co-authored numerous books, treatises, journal articles, and international publications on arbitration, investment treaty disputes, international trade, and procedural law.
Yeongcheol KIM
Yeongcheol Kim is a criminal law attorney at Lee & Ko. Before joining the firm in 2026, he served as a public prosecutor for 21 years, from 2004 to 2025.
During his prosecutorial career, Mr. Kim held positions in a number of major investigation units, including the Central Investigation Department of the Supreme Prosecutors’ Office, the Special Investigation Division of the Seoul Central District Prosecutors’ Office, the Joint Securities Crime Investigation Team of the Seoul Central and Seoul Southern District Prosecutors’ Offices, the Special Prosecutor’s Office for the Park Geun-hye administration’s “Choi Soon-sil” influence-peddling investigation, and the Anti-Corruption Investigation Division of the Supreme Prosecutors’ Office. He also served in key positions such as Deputy Chief Prosecutor of the Special Investigation Team and the Anti-Corruption Investigation Division 2 at the Seoul Central District Prosecutors’ Office, Head of the Anti-Corruption Division 1 at the Supreme Prosecutors’ Office, and Deputy Chief Prosecutor at the Seoul Northern District Prosecutors’ Office.
Mr. Kim was also a founding member of the Joint Securities Crime Investigation Team, where he handled numerous financial and securities crime matters over a three-year period, including cases involving stock price manipulation, fraudulent trading, and insider trading under the Capital Markets Act. Through his extensive service in special investigation and anti-corruption units, he also handled a broad range of major corporate and financial crime matters, including cases involving mergers and acquisitions, accounting fraud, technology leakage, embezzlement, breach of fiduciary duty, savings bank corruption, and tax and customs evasion involving global companies.
Drawing on this extensive prosecutorial experience, Mr. Kim advises clients on a wide range of criminal and regulatory matters, including corporate, financial, securities, virtual asset, tax, customs, and technology leakage issues.
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During his prosecutorial career, Mr. Kim held positions in a number of major investigation units, including the Central Investigation Department of the Supreme Prosecutors’ Office, the Special Investigation Division of the Seoul Central District Prosecutors’ Office, the Joint Securities Crime Investigation Team of the Seoul Central and Seoul Southern District Prosecutors’ Offices, the Special Prosecutor’s Office for the Park Geun-hye administration’s “Choi Soon-sil” influence-peddling investigation, and the Anti-Corruption Investigation Division of the Supreme Prosecutors’ Office. He also served in key positions such as Deputy Chief Prosecutor of the Special Investigation Team and the Anti-Corruption Investigation Division 2 at the Seoul Central District Prosecutors’ Office, Head of the Anti-Corruption Division 1 at the Supreme Prosecutors’ Office, and Deputy Chief Prosecutor at the Seoul Northern District Prosecutors’ Office.
Mr. Kim was also a founding member of the Joint Securities Crime Investigation Team, where he handled numerous financial and securities crime matters over a three-year period, including cases involving stock price manipulation, fraudulent trading, and insider trading under the Capital Markets Act. Through his extensive service in special investigation and anti-corruption units, he also handled a broad range of major corporate and financial crime matters, including cases involving mergers and acquisitions, accounting fraud, technology leakage, embezzlement, breach of fiduciary duty, savings bank corruption, and tax and customs evasion involving global companies.
Drawing on this extensive prosecutorial experience, Mr. Kim advises clients on a wide range of criminal and regulatory matters, including corporate, financial, securities, virtual asset, tax, customs, and technology leakage issues.
Hyun Dong LEE
Hyun Dong Lee is a partner in Lee & Ko’s Corporate Practice Group. He provides strategic and practical advice on complex regulatory and corporate governance matters, with a particular focus on compliance, risk management, internal investigations, ESG, and responses to regulatory challenges.
Mr. Lee brings extensive experience from both the public and private sectors. Prior to joining Lee & Ko, he served as a prosecutor at the Busan, Seoul, and Incheon District Prosecutors’ Offices, where he handled a wide range of public security matters involving labor and election issues, as well as general criminal cases.
Since 2000, Mr. Lee has held senior executive positions at major Korean corporate groups and their affiliates, including roles in corporate restructuring, legal affairs, compliance management, and chief compliance functions. In these capacities, he was responsible for developing and implementing legal strategies, risk management initiatives, and compliance systems across large corporate organizations.
Notably, in 2009, when compliance programs were still at an early stage of development in Korea, Mr. Lee led the establishment and implementation of a group-wide compliance system, playing a key role in embedding a compliance culture within the organization. In subsequent senior compliance roles at major corporate affiliates, he also led responses to significant compliance issues and implemented practical improvements to strengthen compliance management systems.
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Mr. Lee brings extensive experience from both the public and private sectors. Prior to joining Lee & Ko, he served as a prosecutor at the Busan, Seoul, and Incheon District Prosecutors’ Offices, where he handled a wide range of public security matters involving labor and election issues, as well as general criminal cases.
Since 2000, Mr. Lee has held senior executive positions at major Korean corporate groups and their affiliates, including roles in corporate restructuring, legal affairs, compliance management, and chief compliance functions. In these capacities, he was responsible for developing and implementing legal strategies, risk management initiatives, and compliance systems across large corporate organizations.
Notably, in 2009, when compliance programs were still at an early stage of development in Korea, Mr. Lee led the establishment and implementation of a group-wide compliance system, playing a key role in embedding a compliance culture within the organization. In subsequent senior compliance roles at major corporate affiliates, he also led responses to significant compliance issues and implemented practical improvements to strengthen compliance management systems.
Jinyoung YANG
Jinyoung Yang is a senior advisor in the Healthcare and Life Sciences Practice Group at Lee & Ko. He is a leading expert in healthcare regulation and policy, with over 30 years of public service experience spanning the safety management of food, pharmaceuticals, medical devices, and cosmetics.
Prior to joining Lee & Ko, Dr. Yang served as Vice Minister of the Ministry of Food and Drug Safety (MFDS), where he oversaw Korea's regulatory framework for food and drug safety. He subsequently served as Chairperson of the Daegu-Gyeongbuk Medical Innovation Foundation, supporting new drug and medical device development and the advancement of Korea's medical industry. During his distinguished career at the MFDS, he held key leadership positions including Director General of the Medical Device Safety Bureau, Commissioner of the Seoul Regional Food and Drug Administration, and Director General for Planning and Coordination.
At Lee & Ko, Dr. Yang advises clients on regulatory strategy, market entry, and global expansion in the rapidly evolving healthcare industry, drawing on his deep expertise in both regulatory policy and industry innovation.
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Prior to joining Lee & Ko, Dr. Yang served as Vice Minister of the Ministry of Food and Drug Safety (MFDS), where he oversaw Korea's regulatory framework for food and drug safety. He subsequently served as Chairperson of the Daegu-Gyeongbuk Medical Innovation Foundation, supporting new drug and medical device development and the advancement of Korea's medical industry. During his distinguished career at the MFDS, he held key leadership positions including Director General of the Medical Device Safety Bureau, Commissioner of the Seoul Regional Food and Drug Administration, and Director General for Planning and Coordination.
At Lee & Ko, Dr. Yang advises clients on regulatory strategy, market entry, and global expansion in the rapidly evolving healthcare industry, drawing on his deep expertise in both regulatory policy and industry innovation.
Moon Seok CHAE
Moon Seok Chae is a Senior Advisor at Lee & Ko, advising clients on financial regulatory examinations and enforcement actions, banking and non-banking financial institutions, financial holding companies, corporate and international finance, foreign exchange regulations, and regulatory approvals.
Prior to joining Lee & Ko, Mr. Chae served for more than 30 years at Korea’s principal financial authorities, including the Bank of Korea (BOK) and the Financial Supervisory Service (FSS). During his more than 26 years at the FSS, he held senior positions in key departments responsible for foreign exchange investigations, banking supervision, legal affairs, planning and coordination, and sanctions review. He has extensive experience in the review and resolution of complex examination and enforcement matters involving financial institutions, as well as in the development and reform of Korea’s financial supervisory and sanctions framework.
Most notably, from 2016 to 2022, Mr. Chae served in senior roles within the FSS’s sanctions review function, including as Head of the Bank Team and Head/Deputy Director of the General Affairs Team. In these capacities, he supervised the review and coordination of enforcement measures arising from examinations of banks and other financial institutions, and played a central role in the operation of the FSS Sanctions Review Committee, advising on complex legal and regulatory issues arising in significant enforcement cases. He also contributed to major reforms of the examination and sanctions regime applicable to financial institutions, including amendments to relevant regulations and implementing rules in coordination with the Financial Services Commission (FSC).
From 2022 to 2024, Mr. Chae served as Director of the FSS Frankfurt Representative Office in Germany, where he promoted cooperation with European financial supervisory authorities and monitored major regulatory and market developments in the European Union. Earlier in his career, he worked at the BOK in foreign exchange management and international finance, including foreign exchange reviews, transaction examinations and related regulatory matters.
Mr. Chae has received official commendations from the Minister of Economy and Finance, the Chairman of the Financial Services Commission, the Governor of the Financial Supervisory Service and the Governor of the Bank of Korea in recognition of his contributions to Korea’s financial industry and supervisory system.
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Prior to joining Lee & Ko, Mr. Chae served for more than 30 years at Korea’s principal financial authorities, including the Bank of Korea (BOK) and the Financial Supervisory Service (FSS). During his more than 26 years at the FSS, he held senior positions in key departments responsible for foreign exchange investigations, banking supervision, legal affairs, planning and coordination, and sanctions review. He has extensive experience in the review and resolution of complex examination and enforcement matters involving financial institutions, as well as in the development and reform of Korea’s financial supervisory and sanctions framework.
Most notably, from 2016 to 2022, Mr. Chae served in senior roles within the FSS’s sanctions review function, including as Head of the Bank Team and Head/Deputy Director of the General Affairs Team. In these capacities, he supervised the review and coordination of enforcement measures arising from examinations of banks and other financial institutions, and played a central role in the operation of the FSS Sanctions Review Committee, advising on complex legal and regulatory issues arising in significant enforcement cases. He also contributed to major reforms of the examination and sanctions regime applicable to financial institutions, including amendments to relevant regulations and implementing rules in coordination with the Financial Services Commission (FSC).
From 2022 to 2024, Mr. Chae served as Director of the FSS Frankfurt Representative Office in Germany, where he promoted cooperation with European financial supervisory authorities and monitored major regulatory and market developments in the European Union. Earlier in his career, he worked at the BOK in foreign exchange management and international finance, including foreign exchange reviews, transaction examinations and related regulatory matters.
Mr. Chae has received official commendations from the Minister of Economy and Finance, the Chairman of the Financial Services Commission, the Governor of the Financial Supervisory Service and the Governor of the Bank of Korea in recognition of his contributions to Korea’s financial industry and supervisory system.
Seung Gyu LEE
Seung Gyu Lee is a partner in the Litigation & Arbitration Group. Mr. Lee focuses his practice on civil litigation, criminal defense, administrative disputes, and construction and real estate matters.
Mr. Lee joined Lee & Ko in 2020 after a distinguished 16-year career in the judiciary, which commenced at the Seoul Central District Court in 2004. During his judicial tenure, he served in key positions across the court system, including as Director of Judicial Policy at the National Court Administration, Presiding Judge at the Suncheon Branch of the Gwangju District Court, and Professor at the Judicial Research & Training Institute. He presided over a broad spectrum of civil and criminal cases involving both individual and corporate parties. In recognition of his judicial excellence, he was selected as an “Outstanding Judge” by the Gwangju Bar Association in 2016.
Drawing on his expertise and experience in corporate litigation developed as a judge, in-house legal counsel, and litigation attorney at Lee & Ko, Mr. Lee advises and represents clients in complex corporate disputes across civil and criminal proceedings, delivering strategic and practical legal solutions.
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Mr. Lee joined Lee & Ko in 2020 after a distinguished 16-year career in the judiciary, which commenced at the Seoul Central District Court in 2004. During his judicial tenure, he served in key positions across the court system, including as Director of Judicial Policy at the National Court Administration, Presiding Judge at the Suncheon Branch of the Gwangju District Court, and Professor at the Judicial Research & Training Institute. He presided over a broad spectrum of civil and criminal cases involving both individual and corporate parties. In recognition of his judicial excellence, he was selected as an “Outstanding Judge” by the Gwangju Bar Association in 2016.
Drawing on his expertise and experience in corporate litigation developed as a judge, in-house legal counsel, and litigation attorney at Lee & Ko, Mr. Lee advises and represents clients in complex corporate disputes across civil and criminal proceedings, delivering strategic and practical legal solutions.
Jae Man CHOE
Jae Man Choe is a member of Lee & Ko’s Criminal Defense Group. He joined the firm in 2026 after a distinguished 19-year career as a public prosecutor, most recently serving as Chief Prosecutor of Criminal Division 3 at the Seoul Central District Prosecutors’ Office.
Throughout his prosecutorial career, Mr. Choe held several key senior positions at the Supreme Prosecutors' Office, including Chief of the Organized Crime Division and roles with the Defense Procurement Corruption Investigation Task Force and the Anti-Corruption Crime Investigation Division, and led divisions at the Daegu and Changwon (Geochang Branch) District Prosecutors' Offices.
Drawing on his extensive experience in complex criminal investigations, Mr. Choe advises clients on a broad range of criminal defense matters, including corporate crime, anti-corruption investigations, defense industry-related matters, capital markets violations, tax-related criminal matters, virtual asset-related crimes, organized crime, violent crime and other major criminal proceedings.
Mr. Choe has handled numerous high-profile and sensitive cases involving allegations of embezzlement and breach of trust by senior executives of major conglomerates, bribery involving public officials, procurement fraud in the defense industry, capital markets violations, tax evasion, cryptocurrency-related fraud and money laundering, and organized crime. His deep understanding of prosecutorial practice and investigative strategy enables him to provide practical and strategic counsel at all stages of criminal proceedings.
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Throughout his prosecutorial career, Mr. Choe held several key senior positions at the Supreme Prosecutors' Office, including Chief of the Organized Crime Division and roles with the Defense Procurement Corruption Investigation Task Force and the Anti-Corruption Crime Investigation Division, and led divisions at the Daegu and Changwon (Geochang Branch) District Prosecutors' Offices.
Drawing on his extensive experience in complex criminal investigations, Mr. Choe advises clients on a broad range of criminal defense matters, including corporate crime, anti-corruption investigations, defense industry-related matters, capital markets violations, tax-related criminal matters, virtual asset-related crimes, organized crime, violent crime and other major criminal proceedings.
Mr. Choe has handled numerous high-profile and sensitive cases involving allegations of embezzlement and breach of trust by senior executives of major conglomerates, bribery involving public officials, procurement fraud in the defense industry, capital markets violations, tax evasion, cryptocurrency-related fraud and money laundering, and organized crime. His deep understanding of prosecutorial practice and investigative strategy enables him to provide practical and strategic counsel at all stages of criminal proceedings.
Jungwoo LEE
Jungwoo Lee is a co-head of the Lee & Ko’s Labor & Employment Group and leads international practice. Since 2008, he has advised Korean and multinational companies on a broad range of employment, labor, and HR matters, including labor union issues, corporate risk management, restructuring, compliance system design, internal HR investigations, and labor-management dispute resolution.
Mr. Lee also specializes in advising foreign-invested companies, with extensive experience representing multinational corporations, including Japanese clients. He combines Korean qualifications with international education, including residence in the United Kingdom, graduate study in Japan, and qualification as a U.S. Certified Public Accountant, to provide culturally informed, cross-border counsel to global clients navigating the Korean employment and labor landscape.
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Mr. Lee also specializes in advising foreign-invested companies, with extensive experience representing multinational corporations, including Japanese clients. He combines Korean qualifications with international education, including residence in the United Kingdom, graduate study in Japan, and qualification as a U.S. Certified Public Accountant, to provide culturally informed, cross-border counsel to global clients navigating the Korean employment and labor landscape.
Hodong CHA
Hodong Cha is a partner in the Criminal Defense Group at Lee & Ko. He joined the firm in 2026 following a distinguished 14-year career as a public prosecutor, mostly recently reserving as Chief Prosecutor at the Seosan Branch of the Daejeon District Prosecutors' Office.
Throughout his prosecutorial career, Mr. Cha held a series of key positions at the core of Korea’s criminal enforcement system, including roles at the Ministry of Justice’s Criminal Affairs Bureau and the Supreme Prosecutors’ Office (SPO). At the SPO, he worked in both the Planning and Coordination Department and the Trial, Litigation and Sentencing team, and he was also assigned to the Seoul Central District Prosecutors’ Office, where he served in the Special Investigation Division and the Corporate Finance Division. In these capacities, he handled numerous complex and high-profile matters, including anti-corruption investigations involving senior public officials, Capital Markets Act cases such as market manipulation of listed companies, investigations involving executives of major conglomerates, trade secret and technology-related disputes, and serious workplace accident cases under the Serious Accidents Punishment Act.
In addition to his investigative and trial experience, Mr. Cha was responsible at the SPO for the comprehensive review and interpretation of statutes, conducting legislative and policy analysis across a broad range of fields, including criminal law and procedure, civil and commercial law, and fair-trade regulation.
Building on this deep institutional experience, Mr. Cha now advises and represents clients in white-collar criminal matters and related risk management issues, with a particular focus on corporate governance, finance, capital markets, and digital assets. He is known for delivering clear, strategic, and high-caliber solutions tailored to the legal and business realities faced by his clients.
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Throughout his prosecutorial career, Mr. Cha held a series of key positions at the core of Korea’s criminal enforcement system, including roles at the Ministry of Justice’s Criminal Affairs Bureau and the Supreme Prosecutors’ Office (SPO). At the SPO, he worked in both the Planning and Coordination Department and the Trial, Litigation and Sentencing team, and he was also assigned to the Seoul Central District Prosecutors’ Office, where he served in the Special Investigation Division and the Corporate Finance Division. In these capacities, he handled numerous complex and high-profile matters, including anti-corruption investigations involving senior public officials, Capital Markets Act cases such as market manipulation of listed companies, investigations involving executives of major conglomerates, trade secret and technology-related disputes, and serious workplace accident cases under the Serious Accidents Punishment Act.
In addition to his investigative and trial experience, Mr. Cha was responsible at the SPO for the comprehensive review and interpretation of statutes, conducting legislative and policy analysis across a broad range of fields, including criminal law and procedure, civil and commercial law, and fair-trade regulation.
Building on this deep institutional experience, Mr. Cha now advises and represents clients in white-collar criminal matters and related risk management issues, with a particular focus on corporate governance, finance, capital markets, and digital assets. He is known for delivering clear, strategic, and high-caliber solutions tailored to the legal and business realities faced by his clients.
Wankyu CHUNG
Wankyu Chung is a senior advisor at Lee & Ko. With nearly 30 years of experience in public service and senior leadership roles at major financial institutions and industry associations, Mr. Chung brings deep expertise in financial policy, regulation, supervision, and market practice.
During his government service, Mr. Chung held key positions at the Financial Services Commission, including Commissioner of the Korea Financial Intelligence Unit, Director General of the Financial Inclusion Policy Bureau, Director General of the Planning and Coordination Bureau, Director of the Capital Markets Division, Director of the Asset Management Division, and Director of the Market Oversight Division. Through these roles, he gained extensive experience in the design, implementation, and supervision of financial policies across a wide range of sectors, including banking, capital markets, asset management, non-banking financial institutions, and financial intelligence.
Following his public service, Mr. Chung served as President and Chief Executive Officer of Korea Securities Finance Corporation and Chairman of the Korea Federation of Credit Finance Associations. At Korea Securities Finance Corporation, he contributed to the development of Korea’s capital markets, including by enhancing liquidity support functions. As Chairman of the Korea Federation of Credit Finance Associations, he represented and coordinated the interests of credit card companies, capital companies, and new technology venture capital finance companies, while promoting regulatory reform and industry innovation.
Drawing on his combined experience in financial policymaking, regulatory supervision, institutional management, and industry coordination, Mr. Chung provides strategic and practical advice on complex financial regulatory matters, including regulatory approvals and licensing, government relations, financial compliance, corporate governance, internal controls, and risk management.
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During his government service, Mr. Chung held key positions at the Financial Services Commission, including Commissioner of the Korea Financial Intelligence Unit, Director General of the Financial Inclusion Policy Bureau, Director General of the Planning and Coordination Bureau, Director of the Capital Markets Division, Director of the Asset Management Division, and Director of the Market Oversight Division. Through these roles, he gained extensive experience in the design, implementation, and supervision of financial policies across a wide range of sectors, including banking, capital markets, asset management, non-banking financial institutions, and financial intelligence.
Following his public service, Mr. Chung served as President and Chief Executive Officer of Korea Securities Finance Corporation and Chairman of the Korea Federation of Credit Finance Associations. At Korea Securities Finance Corporation, he contributed to the development of Korea’s capital markets, including by enhancing liquidity support functions. As Chairman of the Korea Federation of Credit Finance Associations, he represented and coordinated the interests of credit card companies, capital companies, and new technology venture capital finance companies, while promoting regulatory reform and industry innovation.
Drawing on his combined experience in financial policymaking, regulatory supervision, institutional management, and industry coordination, Mr. Chung provides strategic and practical advice on complex financial regulatory matters, including regulatory approvals and licensing, government relations, financial compliance, corporate governance, internal controls, and risk management.
Eunho KANG
Eunho Kang is one of Korea’s foremost authorities on defense acquisition and defense industry policy, with more than 30 years of distinguished public service. He served as the 11th Minister of the Defense Acquisition Program Administration (DAPA) and was the first official to be internally promoted to lead the organization. Since the establishment of DAPA in 2006, Mr. Kang has played a pivotal role in shaping and advancing Korea’s defense acquisition system.
Over the course of his approximately 32-year career, including service in the force policy divisions of the Ministry of National Defense, Mr. Kang has accumulated comprehensive experience across the full spectrum of defense acquisition. His work has encompassed program management, operational oversight, and high-level policy formulation, as well as strategic decision-making at the national level.
Drawing on this dept of experience, Mr. Kang advises domestic and international defense companies on strategic matters related to defense industry development, international cooperation, and global market expansion. He has particular expertise in supporting Korean defense companies in their overseas market entry strategies and in facilitating collaboration between Korean and foreign defense industry partners. Having overseen a broad range of defense acquisition and international cooperation projects, he brings deep insight into the policy, regulatory, and technological dynamics shaping the global defense sector.
Mr. Kang currently serves as Professor and Head of the Department of Advanced Defense Industry at Jeonbuk National University, where he also directs the Defense Industry Research Institute.
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Over the course of his approximately 32-year career, including service in the force policy divisions of the Ministry of National Defense, Mr. Kang has accumulated comprehensive experience across the full spectrum of defense acquisition. His work has encompassed program management, operational oversight, and high-level policy formulation, as well as strategic decision-making at the national level.
Drawing on this dept of experience, Mr. Kang advises domestic and international defense companies on strategic matters related to defense industry development, international cooperation, and global market expansion. He has particular expertise in supporting Korean defense companies in their overseas market entry strategies and in facilitating collaboration between Korean and foreign defense industry partners. Having overseen a broad range of defense acquisition and international cooperation projects, he brings deep insight into the policy, regulatory, and technological dynamics shaping the global defense sector.
Mr. Kang currently serves as Professor and Head of the Department of Advanced Defense Industry at Jeonbuk National University, where he also directs the Defense Industry Research Institute.
Giusung OH
Giusung Oh is an antitrust and competition law expert providing comprehensive legal services across every stage of antitrust and competition law matters, from responding to Korea Fair Trade Commission (KFTC) investigations, KFTC deliberation proceedings, and administrative litigation, to handling civil and criminal litigation.
Drawing on his extensive experience as a judge and later as Director General of the Adjudication Management Bureau and Non-Standing Commissioner at the KFTC, Mr. Oh excels at accurately identifying key issues and developing effective defense strategies at both the KFTC deliberation stage and in subsequent administrative litigation.
Mr. Oh also brings substantial litigation experience from his years as a judge and presiding judge at courts throughout Korea. Based on this background, he represents and advises companies in a broad range of civil, criminal, and administrative disputes.
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Drawing on his extensive experience as a judge and later as Director General of the Adjudication Management Bureau and Non-Standing Commissioner at the KFTC, Mr. Oh excels at accurately identifying key issues and developing effective defense strategies at both the KFTC deliberation stage and in subsequent administrative litigation.
Mr. Oh also brings substantial litigation experience from his years as a judge and presiding judge at courts throughout Korea. Based on this background, he represents and advises companies in a broad range of civil, criminal, and administrative disputes.
Suh Hee HAN
Suh Hee Han is a leading practitioner with over ten years of experience advising on and representing clients in the digital assets and digital finance markets. Her practice spans both advisory and dispute matters across the full lifecycle of digital asset and digital finance businesses, with a particular focus on regulatory compliance, market entry, and risk management.
Ms. Han’s experience includes regulatory advice on new business initiatives of digital asset service providers; reporting filings for virtual asset service providers; anti-money laundering (AML) programs and internal control frameworks; ISMS-related compliance; financial institutions’ entry into the digital asset business; overseas stablecoin issuance projects; legal analyses on the nature and classification of digital assets; and matters relating to the issuance and distribution of tokenized securities and investment contract securities. She also advises on applications for regulatory sandbox programs (Innovative Financial Services) in the digital finance sector, as well as broader legislative and policy developments governing digital assets and digital finance.
Ms. Han currently serves as Co-Head of the Virtual Asset Team of Lee & Ko’s Digital Assets Center.
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Ms. Han’s experience includes regulatory advice on new business initiatives of digital asset service providers; reporting filings for virtual asset service providers; anti-money laundering (AML) programs and internal control frameworks; ISMS-related compliance; financial institutions’ entry into the digital asset business; overseas stablecoin issuance projects; legal analyses on the nature and classification of digital assets; and matters relating to the issuance and distribution of tokenized securities and investment contract securities. She also advises on applications for regulatory sandbox programs (Innovative Financial Services) in the digital finance sector, as well as broader legislative and policy developments governing digital assets and digital finance.
Ms. Han currently serves as Co-Head of the Virtual Asset Team of Lee & Ko’s Digital Assets Center.
Wonjun CHUNG
Wonjun Chung is a Senior Research Specialist with extensive experience in legislative research and policy advisory work in the fields of IT and digital regulation. Since joining Lee & Ko, he has been engaged in legislative research, legislative consulting, and regulatory and policy advisory services relating to artificial intelligence law, data law, personal information protection law, intellectual property law, and science and technology law, drawing upon his prior experience in government advisory and policy research.
Mr. Chung received his Ph.D. in Intellectual Property Law from Korea University. Prior to joining Lee & Ko, he worked for approximately 14 years at government-funded research institutes, including the Korea Information Society Development Institute and the Korea Legislation Research Institute, where he served as Head of the AI Legislation Team. He has been widely recognized as a principal investigator with distinguished expertise in bridging legal theory and practice.
He has actively contributed to the development of national policies through advisory roles and committee activities for numerous government bodies, including the Ministry of Science and ICT, the Presidential Council on National Artificial Intelligence Strategy, the Office for Government Policy Coordination, the Personal Information Protection Commission, the Ministry of the Interior and Safety, the Ministry of Intellectual Property, the Ministry of SMEs and Startups, and the Ministry of Culture, Sports and Tourism. In recognition of his contributions to national policy development, he has received multiple honors, including the Prime Minister’s Commendation for Contributions to Information and Communications and three Ministerial Commendations.
In addition, Mr. Chung has authored numerous books and academic articles addressing a wide range of legal issues arising in the digital era. He also actively participates in scholarly activities and serves as an executive member of major academic societies, including the Korean Association for Artificial Intelligence and Law, the Korea Data Artificial Intelligence Law and Policy Society, the Korea Personal Information Protection Law Association, the Korean Academic Society of Business Administration and Law, the Korean Copyright Law Association, and the Korean Society of Property Law.
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Mr. Chung received his Ph.D. in Intellectual Property Law from Korea University. Prior to joining Lee & Ko, he worked for approximately 14 years at government-funded research institutes, including the Korea Information Society Development Institute and the Korea Legislation Research Institute, where he served as Head of the AI Legislation Team. He has been widely recognized as a principal investigator with distinguished expertise in bridging legal theory and practice.
He has actively contributed to the development of national policies through advisory roles and committee activities for numerous government bodies, including the Ministry of Science and ICT, the Presidential Council on National Artificial Intelligence Strategy, the Office for Government Policy Coordination, the Personal Information Protection Commission, the Ministry of the Interior and Safety, the Ministry of Intellectual Property, the Ministry of SMEs and Startups, and the Ministry of Culture, Sports and Tourism. In recognition of his contributions to national policy development, he has received multiple honors, including the Prime Minister’s Commendation for Contributions to Information and Communications and three Ministerial Commendations.
In addition, Mr. Chung has authored numerous books and academic articles addressing a wide range of legal issues arising in the digital era. He also actively participates in scholarly activities and serves as an executive member of major academic societies, including the Korean Association for Artificial Intelligence and Law, the Korea Data Artificial Intelligence Law and Policy Society, the Korea Personal Information Protection Law Association, the Korean Academic Society of Business Administration and Law, the Korean Copyright Law Association, and the Korean Society of Property Law.
Jaein CHUN
Jaein Chun is an attorney in Lee & Ko’s Criminal Defense Group. Before joining the firm in 2026, he served as a public prosecutor for 16 years, holding key positions in specialized investigative divisions of the Seoul Central District Prosecutors’ Office, Seoul Southern District Prosecutors’ Office, and Suwon District Prosecutors’ Office. His prosecutorial experience spans financial and securities crimes, anti-corruption and public-sector investigations, antitrust matters, virtual asset-related offenses, and industrial technology leakage.
During his prosecutorial career, Mr. Chun served in the Anti-Corruption Investigation Divisions and the Public Security Division of the Seoul Central District Prosecutors’ Office; the Defense Acquisition and Industrial Technology Crime Investigation Division of the Suwon District Prosecutors’ Office; and the Financial and Tax Crime Investigation Division of the Seoul Southern District Prosecutors’ Office. He was also served on secondment to the Financial Supervisory Service (FSS) initially as its inaugural Advisor for Investigations and Enforcement and subsequently as Legal Advisor. He concluded his prosecutorial career as Chief Prosecutor of Criminal Division I at the Mokpo Branch of the Gwangju District Prosecutors’ Office.
Mr. Chun has extensive experience in significant investigations involving violations of the Capital Markets Act by listed companies, stock price manipulation and the use of undisclosed material information, fraudulent trading involving virtual assets, bid rigging, bribery and abuse of authority, and the leakage of semiconductor and display technologies. During his secondment to the FSS, he advised on major financial crime investigations as well as criminal referrals and sanctions proceedings involving financial institutions. He further developed his regulatory expertise through his services on the FSS Sanctions Review Committee, the Securities and Futures Commission’s Capital Market Investigation Review Committee, and the Financial Services Commission’s Virtual Asset Market Investigation Review Committee.
Drawing on his extensive prosecutorial and regulatory experience, Mr. Chun advises and represents clients in corporate criminal matters involving finance, securities and capital markets, antitrust and competition, virtual assets, anti-corruption, and industrial technology and trade secret matters. He also assists clients in investigations, enforcement actions, sanctions proceedings, and other matters before financial and regulatory authorities.
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During his prosecutorial career, Mr. Chun served in the Anti-Corruption Investigation Divisions and the Public Security Division of the Seoul Central District Prosecutors’ Office; the Defense Acquisition and Industrial Technology Crime Investigation Division of the Suwon District Prosecutors’ Office; and the Financial and Tax Crime Investigation Division of the Seoul Southern District Prosecutors’ Office. He was also served on secondment to the Financial Supervisory Service (FSS) initially as its inaugural Advisor for Investigations and Enforcement and subsequently as Legal Advisor. He concluded his prosecutorial career as Chief Prosecutor of Criminal Division I at the Mokpo Branch of the Gwangju District Prosecutors’ Office.
Mr. Chun has extensive experience in significant investigations involving violations of the Capital Markets Act by listed companies, stock price manipulation and the use of undisclosed material information, fraudulent trading involving virtual assets, bid rigging, bribery and abuse of authority, and the leakage of semiconductor and display technologies. During his secondment to the FSS, he advised on major financial crime investigations as well as criminal referrals and sanctions proceedings involving financial institutions. He further developed his regulatory expertise through his services on the FSS Sanctions Review Committee, the Securities and Futures Commission’s Capital Market Investigation Review Committee, and the Financial Services Commission’s Virtual Asset Market Investigation Review Committee.
Drawing on his extensive prosecutorial and regulatory experience, Mr. Chun advises and represents clients in corporate criminal matters involving finance, securities and capital markets, antitrust and competition, virtual assets, anti-corruption, and industrial technology and trade secret matters. He also assists clients in investigations, enforcement actions, sanctions proceedings, and other matters before financial and regulatory authorities.
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