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Yun, Sai Ree (Managing Partner)

Mr. Yun is one of Yulchon’s founding partners, and he serves as the Firm’s Managing Partner. He also practices primarily in the areas of corporate law (with an emphasis on M&A), antitrust law, taxation, and governmental relations.

Mr. Yun’s legal acumen is internationally recognized. He is perennially selected as a leading lawyer by publications such as Chambers Global, International Financial Law Review, Global Competition Review, PLC Cross-Border Handbook, and AsiaLaw. Mr. Yun is the only Korean attorney recognized by the editors of Legal Media Group’s Expert Guides as an expert in three separate fields: competition, taxation, and M&A. Mr. Yun also received the Prime Minister’s Award for Antitrust Administration and the Deputy Prime Minister’s Award for Tax Administration. He has been listed in the International Who’s Who of Professionals since 2005.

Mr. Yun earned his exceptional reputation by successfully representing numerous major corporations in many important deals and projects. These include matters involving, for example, Goldman Sachs, the Carlyle Group, Citigroup, GE, AMD, LVMH, RealNetworks, Samsung Electronics, Samsung Life Insurance, LG.Philips LCD, SK Telecom, SK Corporation, Hyundai Motors, Hyundai Capital, Hyundai Merchant Marine, Lotte Shopping, Daum Communications, and Bridgestone Corporation, among others.

Mr. Yun has also served as an outside legal advisor to various government agencies such as the Ministry of Trade, Industry, and Energy and the Korea Fair Trade Commission (KFTC), for whom he also served as a member of the Competition Policy Advisory Board and the Financial Industry Development Deliberation Committee. In addition, he has been a member of the Legal Advisory Committee of the Korean Broadcasting Commission and he was a Technical Advisor for the Tax Policy Review Council for the Ministry of Finance and Economy.

Mr. Yun has written many articles for various publications on a number of subjects including corporate law, antitrust law, and taxation. He has been invited to speak at many conferences and seminars held by prominent international organizations including the International Bar Association, the American Bar Association, the Inter-Pacific Bar Association, the International Competition Network, and the Tax Executive Institute.

Mr. Yun began his career as a public prosecutor with the Pusan District Prosecutor"s Office and later worked as an associate with Lee & Ko law firm in Seoul and Baker & McKenzie law firm in its Chicago and New York offices. Before co-founding Yulchon LLC, Mr. Yun was a partner at Yoon & Partners. He is admitted to practice in three U.S. jursidictions (New York, Illinois, and Washington, D.C.), as well as in Korea.

Mergers & Acquisitions, Antitrust, Tax, Corporate & Finance, International Tax, Russia & CIS, Europe, International, Corporate Governance, Banking/General Finance, Japan, Financial Regulation

Hastings College of Law, University of California, J.D. (1986)
Harvard Law School, LL.M. (1982)
Judicial Research and Training Institute, Supreme Court of Korea (1980)
Seoul National University, LL.M. (1980)
Seoul National University, LL.B. (1976)

Partner, Yulchon LLC (1997-present)
Partner, Yoon & Partners (1989-1997)
Arbitrator, Korean Commercial Arbitration Board (2011-present)
Associate, Baker & McKenzie (Chicago and New York) (1986-1989)
Associate, Lee & Ko (1983-1984)
Public prosecutor, Busan District Prosecutor"s Office (1980-1982)

Advised MBK Partners on its acquisition of Homeplus (2015)
Represented a major U.S. private equity fund in very large tax disputes (2012)
Represented a major global automotive parts manufacturers in antitrust cases (2012)
Represented Samsung Electronics in an LCD cartel case (2011)

  • Chapter on Korea, “The Cartels and Leniency Review”, 6th Edition, Law Business Research (Co-Author) (2018)
  • Chapter on Korea, “The Merger Control Review”, 8th Edition, Law Business Research (2017) pdf
  • Chapter on Korea, “The Cartels and Leniency Review,” 5th Edition, Law Business Research (Co-author) (2017)  pdf
  • Chapter on Korea, “The Merger Control Review”, 7th Edition, Law Business Research (2016) pdf
  • Chapter on Korea, “The Merger Control Review”, 6th Edition, Law Business Research (2015) pdf
  • Chapter on Korea, “The Cartels and Leniency Review,” 3rd Edition, Law Business Research (2015) pdf
  • Korea’s Aggressive Antitrust Enforcement in Financial Product Markets, Asian-Mena Counsel, Volume 12 Issue 5 (2014-15) pdf
  • Chapter on Korea, “The Merger Control Review”, 5th Edition, Law Business Research (2014) pdf
  • Dominance, Getting the Deal Through (Co-Author) (2010)
  • Antitrust Law in Korea, The International Lawyer Volume 43 Number 2 Year-In-Review, ABA (Co-Author) (2009) pdf
  • Antitrust Law in Korea, International Antitrust Law & Policy, Fordham Corp L. Inst. (2002)
  • Regulation of Business Combination under the Antimonopoly, Regulation and Fair Trade Act with Emphasis on the Case Law, Journal of Korean Law Vol.2 (2002)
  • Tax Aspects of Derivative Financial Instruments, 49th Congress of the international Fiscal Association (1995)
  • Transfer Pricing in South Korea, International Transfer Pricing Laws, CCH Inc.(1994)
  • The Regulation of Conglomerate Mergers in Korea, Harvard Law School (LL.M. thesis)(1982)

Senior Statesmen, Corporate/M&A, Chambers AP (2018)
Senior Statesmen, Competition & Antitrust, Chambers AP (Since 2017)
Leading Competition Lawyer, Who’s Who Legal (since 2007)
Eminent Practitioner, Corporate/M&A, Chambers AP (2014-2017)
Eminent Practitioner, Competition & Antitrust, Chambers AP (2014-2016)
Market-leading Lawyer: Competition & Antitrust, Corporate/M&A and Tax, Asialaw (2016)
Managing Partner of the Year, ALB Korea Law Awards 2015, Asian Legal Business (2015)
Leading Lawyer, Corporate/M&A, Chambers AP (2009-2013)
Leading Lawyer, Competition & Antitrust, Chambers AP (2009-2013)
    Korean, English
    District of Columbia (D.C.)(1990)
    New York (1988)
    Illinois (1986)
    Republic of Korea (1980)