Sihoon Yang Partner
  • TEL 82 2 6003 7052
  • FAX 82 2 6003 7039
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Sihoon Yang is a partner at Yoon & Yang LLC, and his main practice areas are employment and labor, corporate-related civil and criminal litigations, and Japan.
As a judge, presiding judge and high court judge of a number of courts, he addressed a wide variety of civil, criminal and family cases and issuance of warrants from April 2006 to February 2023, before retiring as a judge of the Seoul High Court. In particular, he handled major cases at the Seoul High Court for six years, where he worked at the labor department and had opportunities to deal with many different types of labor issues, e.g. illegal dispatch, ordinary wages, legal nature of workers, dismissal, unfair labor practices, salary peak and fixed-term employees, etc. Further, at the appellate department of the Seoul High Court, Mr. Yang addressed various injunction cases regarding general meetings of shareholders, delisting and the status of successful bidders, etc. Since he studied in Japan, he is fluent in Japanese and has a wide network with attorneys in Japan. As one of the founding members of the Judicial Policy Research Institute, which is a judicial think tank, he published a large number of research reports based on in-depth legal research.


  • 2023-present Yoon & Yang LLC
  • 2023-present Legal Advisor, National Labor Relations Commission
  • 2013-present Member, Society of Labor Law Theory and Profession of Supreme Court
  • 2021-22 Lecturer on Practices of Special Litigations (Labor), Law Clerk Course of Judicial Research and Training Institute
  • 2019-23 Judge, Seoul High Court (labor cases, appellate cases)
  • 2018-19 Presiding Judge, Suncheon Branchn of Gwangju District Court (in charge of issuance of warrant, collegiate panel for application / family cases)
  • 2018-19 Chairman, Election Commission of Gurye-gun, Jeollanam-do
  • 2016-18 Judge, Seoul High Court (civil cases)
  • 2014-16 Researcher (Judge), Judicial Policy Research Institute of Supreme Court
  • 2012-14 Judge, Seoul Central District Court (medical cases)
  • 2009-12 Judge, Bucheon Branch of Incheon District Court (single judge court for criminal / civil cases)
  • 2006-09 Judge, Jeonju District Court (criminal appeal, civil appeal)
  • 2003-06 Judge Advocate, Republic of Korea Army


  • 2018 Seoul National University Graduate School of Public Administration, Advanced Course for Administrative Development (ACAD)
  • 2017 Korea University Graduate School of Law, LL.D. coursework completed
  • 2013 Kyoto University Graduate School of Legal and Political Studies, Guest Researcher
  • 2012 Korea University Graduate School of Law, LL.M.
  • 2003 Judicial Research and Training Center
  • 1996 Korea University College of Law, LL.B.


  • Korea Chapter, Employment, ​Chambers Global Practice Guides, Chambers and Partners, (Co-author, 2023)
  • Labor Trial Manual, Supreme Court Labor Trial Manual Writing Committee (Co-author, 2022)
  • Research on Practical Training for New Admittees to the Korean Bar, Judicial Policy Research Institute of Supreme Court (Co-author, 2016)
  • Research on Judicial Discipline in Foreign Jurisdictions, Judicial Policy Research Institute of Supreme Court (Co-author, 2015)
  • Research on the measures to promote public awareness and understanding regarding the judgments of the courts, Judicial Policy Research Institute of Supreme Court (Co-author, 2015)
  • Research on the Improvement of the Indigent Defense System, Judicial Policy Research Institute of Supreme Court (Co-author, 2014)
  • Research on Introduction of Plea Bargaining, Master’s Thesis, Korea University Graduate School of Law (2011)
  • Practical Issues Regarding Hearing of Drug Cases – Practical Research Materials, Bucheon Branch of Incheon District Court (2010)