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1
RECENT
INSIGHT
Deals & Cases
Overruling of Corrective Orders Against Naver and Gmarket for Breaching Personal Information Protection Regulations
Press & Releases
[Maeil Business Newspaper] “Entrust Your Complex International Disputes to Us” – Lee & Ko’s Global Disputes Group brings together ten specialized teams under one roof
3
NEW
HIRES
Ho Jin CHOI
Ho Jin Choi has extensive practical experience in adjudication, having served as a judge at various levels of courts for 15 years since 2010. He handled a wide range of cases, including civil, criminal, and non-contentious matters. Notably, during his tenure as a Research Judge at the Supreme Court of Korea, he reviewed over 1,500 cases spanning various legal areas.
At the Seoul Southern District Court, he presided over numerous injunction cases involving internal corporate disputes such as shareholder meeting resolutions, internal organizational disputes like suspensions of duties, and other urgent matters including stays of delisting decisions and broadcast prohibitions. He also handled criminal cases related to the Capital Markets Act. While serving at the Seoul Central District Court, he was part of the Intellectual Property Division, overseeing cases related to intellectual property rights and the Unfair Competition Prevention Act.
In addition to his judicial roles, he served as a Public Information Officer at the Seoul Southern District Court, gaining valuable experience in judicial administration.
Mr. Choi has published multiple papers on topics related to his judicial work, and has consistently participated in academic conferences and seminars, demonstrating a commitment to developing deep and comprehensive legal knowledge.
In 2025, he joined Lee & Ko, where he advises and represents clients in a broad range of cases, including corporate and organizational disputes, intellectual property and unfair competition, capital markets-related matters, construction and real estate disputes, as well as civil and criminal litigation and injunction proceedings.
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At the Seoul Southern District Court, he presided over numerous injunction cases involving internal corporate disputes such as shareholder meeting resolutions, internal organizational disputes like suspensions of duties, and other urgent matters including stays of delisting decisions and broadcast prohibitions. He also handled criminal cases related to the Capital Markets Act. While serving at the Seoul Central District Court, he was part of the Intellectual Property Division, overseeing cases related to intellectual property rights and the Unfair Competition Prevention Act.
In addition to his judicial roles, he served as a Public Information Officer at the Seoul Southern District Court, gaining valuable experience in judicial administration.
Mr. Choi has published multiple papers on topics related to his judicial work, and has consistently participated in academic conferences and seminars, demonstrating a commitment to developing deep and comprehensive legal knowledge.
In 2025, he joined Lee & Ko, where he advises and represents clients in a broad range of cases, including corporate and organizational disputes, intellectual property and unfair competition, capital markets-related matters, construction and real estate disputes, as well as civil and criminal litigation and injunction proceedings.
Seok Young JANG
Seok Young Jang brings over 30 years of distinguished experience in government, with deep expertise across telecommunications, IT, information security, platforms, media, and postal services. Throughout his career he has spearheaded major national initiatives, including the development of policies on big data and artificial intelligence, the successful launch of the world’s first 5G service, and the implementation of regulatory sandboxes to foster innovation. Mr. Jang has played a key role in advancing international cooperation in the ICT sector, having served as a U.S. state government research fellow and as part of the diplomatic mission at the Korean Embassy in China.
In 2021, he served as the Vice Minister of the Ministry of Science and ICT, further cementing his leadership in the digital policy landscape. Following his public service, Mr. Jang held academic and advisory positions, including Special Professor at Seoul National University and Advisor to the Prime Minister’s Regulatory Innovation Committee. He also brings firsthand entrepreneurial experience as the former CEO of a technology startup.
Since 2025, Mr. Jang has been serving as a Senior Advisor at Lee & Ko, offering strategic counsel to corporate clients in the areas of IT, telecommunications, broadcasting, data, artificial intelligence, and related legislative and regulatory matters.
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In 2021, he served as the Vice Minister of the Ministry of Science and ICT, further cementing his leadership in the digital policy landscape. Following his public service, Mr. Jang held academic and advisory positions, including Special Professor at Seoul National University and Advisor to the Prime Minister’s Regulatory Innovation Committee. He also brings firsthand entrepreneurial experience as the former CEO of a technology startup.
Since 2025, Mr. Jang has been serving as a Senior Advisor at Lee & Ko, offering strategic counsel to corporate clients in the areas of IT, telecommunications, broadcasting, data, artificial intelligence, and related legislative and regulatory matters.
Zac SHARPE
Zac Sharpe has extensive experience in complex international disputes, including international arbitration and enforcement proceedings in multiple jurisdictions. He has lived and worked in Asia for nearly two decades and his practice covers energy, engineering and construction, investor-state, health care/life sciences, technology, joint venture and M&A disputes.
Zac has acted as counsel in multibillion dollar disputes and in arbitration proceedings at major arbitration centers across Asia, Europe, the Middle East, and North America. He has extensive experience with high stakes and complex disputes involving multiple jurisdictions.
He has represented clients in arbitration proceedings under the rules of the International Chamber of Commerce, the London Court of International Arbitration, the Singapore International Arbitration Centre, the International Center for Dispute Resolution, the Permanent Court of Arbitration, the Korean Commercial Arbitration Board, the Hong Kong International Arbitration Center and the London Maritime Arbitrators Association.
Zac is a solicitor advocate with higher rights of audience in the Senior (Civil) Courts of England & Wales. Zac is also admitted as an attorney in New York and admitted as a foreign lawyer in the Singapore International Commercial Court.
“…one of the most impressive practitioners in the Singapore arbitration space; he is recognized for “considerable experience in construction having worked in-house.”
“Zachary is a highly experienced practitioner, particularly in Korean matters”. “He has the ability to digest the details and to present them all when needed”.
“Zachary is an excellent lawyer and I thoroughly recommend him”; “He is a really good guy who builds very strong client relationships”.
- Who's Who Legal: Arbitration — Future Leaders (2018, 2020-2024) -
“A standout partner who exemplifies leadership and deep legal acumen is Zachary Sharpe. His strategic insights and mastery in navigating complex cross-border disputes have consistently resulted in favorable outcomes for clients. His reputation for integrity and dedication makes him a trusted adviser and a formidable advocate in the arbitration community”.
- The Legal 500 Asia Pacific — "Next Generation Partner" (2021-2023) -
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Zac has acted as counsel in multibillion dollar disputes and in arbitration proceedings at major arbitration centers across Asia, Europe, the Middle East, and North America. He has extensive experience with high stakes and complex disputes involving multiple jurisdictions.
He has represented clients in arbitration proceedings under the rules of the International Chamber of Commerce, the London Court of International Arbitration, the Singapore International Arbitration Centre, the International Center for Dispute Resolution, the Permanent Court of Arbitration, the Korean Commercial Arbitration Board, the Hong Kong International Arbitration Center and the London Maritime Arbitrators Association.
Zac is a solicitor advocate with higher rights of audience in the Senior (Civil) Courts of England & Wales. Zac is also admitted as an attorney in New York and admitted as a foreign lawyer in the Singapore International Commercial Court.
“…one of the most impressive practitioners in the Singapore arbitration space; he is recognized for “considerable experience in construction having worked in-house.”
“Zachary is a highly experienced practitioner, particularly in Korean matters”. “He has the ability to digest the details and to present them all when needed”.
“Zachary is an excellent lawyer and I thoroughly recommend him”; “He is a really good guy who builds very strong client relationships”.
- Who's Who Legal: Arbitration — Future Leaders (2018, 2020-2024) -
“A standout partner who exemplifies leadership and deep legal acumen is Zachary Sharpe. His strategic insights and mastery in navigating complex cross-border disputes have consistently resulted in favorable outcomes for clients. His reputation for integrity and dedication makes him a trusted adviser and a formidable advocate in the arbitration community”.
- The Legal 500 Asia Pacific — "Next Generation Partner" (2021-2023) -
Eun Young PARK
Eun Young Park is a partner and the firm’s Chair of the Global Disputes Group.
Dr. Park is an exceptionally highly recognized dispute resolution lawyer with expertise in international arbitration. He has over 30 years of experience in international dispute resolution including commercial and investment treaty arbitration. He has served as an arbitrator under the rules of various arbitral institutions including ICC, SIAC, JCAA, AIAC, and KCAB. His arbitration practice covers a broad legal spectrum, including M&A, finance and insurance, infrastructure, energy, joint ventures, intellectual property and technology, pharmaceutical and bio-industry, and overseas investments. He has successfully represented one of the biggest US defense companies in its litigation against the Korean government regarding the FMS contracts in Korean courts including the Supreme Court of the Republic of Korea as well as US federal courts.
Dr. Park served as Vice-President and a Court Member of the London Court of International Arbitration (LCIA). He also served as Vice-Chair of the International Bar Association (IBA) Arbitration Committee and as a founding co-chair of the IBA Asia Pacific Arbitration Group. In 2014, he served as a member of the Subcommittee for drafting the IBA Guidelines on Conflict of Interests in International Arbitration. He has also served on the board of the Korean Council of International Arbitration and as an Executive Member of the Seoul International Dispute Resolution Center. He currently serves as a Member of the Singapore International Arbitration Centre (SIAC) Court of Arbitration and has served as a member of the Board of the SIAC.
Dr. Park has earned numerous top rankings as one of the “Leading Lawyers” in Chambers Asia-Pacific for International Arbitration, “Litigation Stars” in Euromoney’s Benchmark Litigation Asia-Pacific for International Arbitration, and “Thought Leaders” in Who’s Who Legal: Arbitration. According to Chambers Asia Pacific 2021, he is well-received as “a titan of the Korean arbitration Bar, with a fearsome reputation that precedes him.” In April 2022 he was awarded Best Lawyers in 2022 by Chosun Biz. He was awarded the Grand Prize Award in Arbitration Practice at the Annual Korea Legal Awards in June 2020, co-hosted by Money Today and the Korea In-house Counsel Association, for his innovative approach to arbitration and for his public contributions in the field. In 2018, he was officially honored by the Republic of Korea in recognition of his contribution to the promotion of arbitration.
Dr. Park’s publications include “Appellate Review in Investor-State Arbitration, Reshaping the Investor-State Dispute Settlement System: Journeys for the 21st Century,” in commemoration of the 50th Anniversary of ICSID Convention; “Legal Defenses to Claims” in The Investment Treaty Arbitration Review; and “Tackling Diverse Issues in Arbitration Agreement: Focusing on M&A, Finance, Distributorship, Technology, and Construction” in the Korea Arbitration Review. He has co-authored the book “Alternative Dispute Resolution Methods around the Globe.” He has also written numerous articles on various arbitration-related topics, including emergency arbitration, interim relief, and document disclosure.
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Dr. Park is an exceptionally highly recognized dispute resolution lawyer with expertise in international arbitration. He has over 30 years of experience in international dispute resolution including commercial and investment treaty arbitration. He has served as an arbitrator under the rules of various arbitral institutions including ICC, SIAC, JCAA, AIAC, and KCAB. His arbitration practice covers a broad legal spectrum, including M&A, finance and insurance, infrastructure, energy, joint ventures, intellectual property and technology, pharmaceutical and bio-industry, and overseas investments. He has successfully represented one of the biggest US defense companies in its litigation against the Korean government regarding the FMS contracts in Korean courts including the Supreme Court of the Republic of Korea as well as US federal courts.
Dr. Park served as Vice-President and a Court Member of the London Court of International Arbitration (LCIA). He also served as Vice-Chair of the International Bar Association (IBA) Arbitration Committee and as a founding co-chair of the IBA Asia Pacific Arbitration Group. In 2014, he served as a member of the Subcommittee for drafting the IBA Guidelines on Conflict of Interests in International Arbitration. He has also served on the board of the Korean Council of International Arbitration and as an Executive Member of the Seoul International Dispute Resolution Center. He currently serves as a Member of the Singapore International Arbitration Centre (SIAC) Court of Arbitration and has served as a member of the Board of the SIAC.
Dr. Park has earned numerous top rankings as one of the “Leading Lawyers” in Chambers Asia-Pacific for International Arbitration, “Litigation Stars” in Euromoney’s Benchmark Litigation Asia-Pacific for International Arbitration, and “Thought Leaders” in Who’s Who Legal: Arbitration. According to Chambers Asia Pacific 2021, he is well-received as “a titan of the Korean arbitration Bar, with a fearsome reputation that precedes him.” In April 2022 he was awarded Best Lawyers in 2022 by Chosun Biz. He was awarded the Grand Prize Award in Arbitration Practice at the Annual Korea Legal Awards in June 2020, co-hosted by Money Today and the Korea In-house Counsel Association, for his innovative approach to arbitration and for his public contributions in the field. In 2018, he was officially honored by the Republic of Korea in recognition of his contribution to the promotion of arbitration.
Dr. Park’s publications include “Appellate Review in Investor-State Arbitration, Reshaping the Investor-State Dispute Settlement System: Journeys for the 21st Century,” in commemoration of the 50th Anniversary of ICSID Convention; “Legal Defenses to Claims” in The Investment Treaty Arbitration Review; and “Tackling Diverse Issues in Arbitration Agreement: Focusing on M&A, Finance, Distributorship, Technology, and Construction” in the Korea Arbitration Review. He has co-authored the book “Alternative Dispute Resolution Methods around the Globe.” He has also written numerous articles on various arbitration-related topics, including emergency arbitration, interim relief, and document disclosure.
Tai Han HA
Tai Han Ha has dedicated more than two decades to judicial service across Korea’s major courts, including the Supreme Court, Seoul Central District Court, Daejeon District Court, and most recently, the Seoul High Court in 2025. During his distinguished tenure on the bench, he presided over a broad array of cases spanning civil, criminal, administrative, labor, and bankruptcy matters. Drawing on his deep judicial insight and extensive courtroom experience, Mr. Ha now represents corporate and individual clients in high stake white-collar matters, including capital market violations, occupational breach of trust and embezzlement. His practice also encompasses administrative litigation involving environmental regulations, public health, urban planning, and expropriation of land, as well as a broad range of civil disputes related to financial transactions, construction and real estate, and personal information protection.
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Young Su KANG
Young Su Kang served as a judge for 29 years in various courts, including his tenure as the Chief Judge of the Incheon District Court until his retirement in 2022. Throughout his esteemed judicial career, he presided over a broad spectrum of cases spanning civil, criminal, administrative, family, IT, and intellectual property law, earning a reputation for his sound judgment and deep legal acumen. Following his retirement from the bench, he has continued to apply his extensive legal expertise in the private sector, advising on and handling matters in civil and criminal litigation, corporate disputes, personal data protection, real estate, finance, and privacy law.
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Dongmin SEO
Dongmin Seo joined Lee & Ko in 2025 and he provides litigation and advisory services based on extensive practical experience gained through 14 years of distinguished service as a judge and prosecutor, specializing in corporate-related administrative litigation, criminal litigation, and construction & real estate disputes.
During his tenure as a prosecutor, Mr. Seo’s meticulous approach to investigations and trial work led to multiple distinctions, including recognition by the Supreme Prosecutors’ Office on 10 occasions for outstanding performance, as well as commendations from the Minister of Justice and the Prosecutor General. While serving as a judge at the Seoul Administrative Court, Mr. Seo handled high-stakes matters ranging from administrative sanctions against corporations, defense contractors, and pharmaceutical companies to major development projects, redevelopment and reconstruction endeavors, and administrative dispositions involving medical institutions and senior public officials. This breadth of experience underscores Mr. Seo’s proven ability to offer clients insightful counsel and effective representation in even the most complex legal challenges.
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During his tenure as a prosecutor, Mr. Seo’s meticulous approach to investigations and trial work led to multiple distinctions, including recognition by the Supreme Prosecutors’ Office on 10 occasions for outstanding performance, as well as commendations from the Minister of Justice and the Prosecutor General. While serving as a judge at the Seoul Administrative Court, Mr. Seo handled high-stakes matters ranging from administrative sanctions against corporations, defense contractors, and pharmaceutical companies to major development projects, redevelopment and reconstruction endeavors, and administrative dispositions involving medical institutions and senior public officials. This breadth of experience underscores Mr. Seo’s proven ability to offer clients insightful counsel and effective representation in even the most complex legal challenges.
Sunho PARK
Sunho Park is a Senior Advisor at Lee & Ko, bringing over 35 years of distinguished experience in leadership roles within the Ministry of Land, Infrastructure and Transport (MOLIT) and the International Contractors Association of Korea (ICAK). Renowned for his pivotal tenure as the 1st Vice Minister of MOLIT, Mr. Park has shaped national policies in real estate, construction, industrial complexes, urban planning, transportation infrastructure, and outbound construction investment. His career spans significant international engagements with the OECD and the U.S. Department of Housing and Urban Development (HUD), alongside his leadership as Chairman of ICAK. At Lee & Ko, he provides expert counsel to corporations on regulatory reform, infrastructure investment, and related fields.
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Tae Wan KIM
Tae Wan Kim is a data scientist and artificial intelligence specialist with nearly 21 years of experience at the Bank of Korea and other organizations, specializing in data analytics, AI modeling, and information system development. Since joining Lee & Ko, he has been advising on artificial intelligence matters and leading AI transformation initiatives.
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Moo Jin CHOI
Moo Jin Choi served for 26 years at the Korea Fair Trade Commission (KFTC), holding key leadership roles including Director General of the Corporate Transaction Policy Bureau, Cartel Investigation Bureau, Competition Policy Bureau, and Distribution Policy Officer. In these positions, he oversaw the enforcement and development of policies under a broad range of laws, including the Monopoly Regulation and Fair Trade Act, the Subcontracting Act, the Large-Scale Distribution Business Act, the Franchise Business Transaction Act, the Agency Act, and the Labeling and Advertising Act.
Drawing on this extensive expertise and deep knowledge gained in public service, Mr. Choi delivers sophisticated legal services, offering strategic counsel on fair trade compliance, corporate transactions, mergers and acquisitions, and a broad range of regulatory matters. His seasoned insight ensures clients receive precise, high-caliber solutions tailored to complex legal and business challenges.
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Drawing on this extensive expertise and deep knowledge gained in public service, Mr. Choi delivers sophisticated legal services, offering strategic counsel on fair trade compliance, corporate transactions, mergers and acquisitions, and a broad range of regulatory matters. His seasoned insight ensures clients receive precise, high-caliber solutions tailored to complex legal and business challenges.
Recent Accolades
