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Recently reviewed Professionals
As a member of Lee & Ko's Corporate Practice Group, Joon Sup Yoon's practice focuses primarily on mergers and acquisitions, hostile takeovers and defenses and corporate governance matters. Prior to joining Lee & Ko in 2016, Mr. Yoon served as a public service advocate in the International Legal Affairs Division of the Ministry of Justice.
Mr. Yoon received his LL.B. from Korea University in 2013 and was admitted to the Korean Bar in 2013.
Representative Cases
[Mergers & Acquisitions]
Represented E-mart in its acquisition of SK Wyverns
Represented Hoban Industry in its acquisition of Taihan Cable & Solution
Represented GS Home Shopping in its acquisition of shares of Mesh Korea
Represented KT Corporation in its acquisition of Hyundai Robotics
Represented BRV Capital in its acquisition of All Box
Represented J&PE in its acquisition of Hyundai Oil Terminal
Represented Invites Healthcare in its acquisition of shares of Biocore
Represented Carlyle Group in its acquisition of ADT Caps
Represented LG Chem Ltd in its acquisition of Farm Hannong
Represented LG Household and Healthcare Ltd in its acquisition of Tai Guk Pharm
Represented CJ E&M in its acquisition of Amoeba Culture
Represented Wonbang Samhyun in its acquisition of shares in Samhyun H
Represented Goldman Sachs Consortium in its sale of Daesung Industrial Gases
[Joint Ventures]
Represented SK Materials Co., Ltd. in its joint venture with Showa Denko K.K.
Establishment of a virtual reality (VR) related JV between Survios, Inc. and oneIMMERS
Establishment of JV between SKT and Newlake Alliance
Establishment of a credit information related JV among SKT, KT and LGU+
[Reorganization]
Represented Its Skin in its merger with Hanbul Cosmetics
Advised Orion Corp in its simultaneous spin off/stock split through tender offer
Advised Lotte Group companies in acquisition of Lotte Global Logistics stock and warrant and Lotte Global Logistics restructuring post capital increase and liquidation of IGIS #1
Represented Hyundai Steel in its spin-off of its metal forming division and establishment of Hyundai IFC
[Business Transfers]
Acquisition of CEM (Chemical Electronic Material) business of LG Electronics by LG Chem
Sale of Semiconductor Solution Product Business of Bistel, Inc.
Acquisition of Digital Disease Management Business of SKT by Invites Healthcare
Sale of Global Fashion Business of Lotte Shopping
Sale of automotive component business sector of LS Automotive
[Start-up]
Advising craft beer related start-up company T
Advising media platform related start-up company M
Advising AI model related related start-up company A
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Education
2022 UCLA School of Law - LL.M.
2013 Judicial Research & Training Institute, Supreme Court of Korea
2013 Korea University - LL.B.
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Work Experience
2016-Present Lee & Ko
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Admissions
2013 Admitted to bar, Korea
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Languages
Korean and English