- Seoul National University, College of Law (LL.B. 1978)
- Seoul National University, Graduate School of Law (LL.M. 1985)
- Seoul National University, Graduate School of Law (Ph.D. 1994)
- The Judicial Research & Training Institute (1986)
- Visiting Fellow, Hawaii State University, School of Law (1988)
- Visiting Scholar, Harvard University, School of Law (2001-2002)
- Associate and Partner, Kim Shin & Yu Law Firm (1986-1995)
- Of Counsel, Moon O'Connor Tam and Yuen Law Offices (1988)
- Partner, Aram International Law Offices (1996-2002)
- Lecturer of Law, Seoul National University
- Ewha Woman’s University and Konkook University (1997-2000)
- Professor of Law, Kookmin University (1995-2009)
- Arbitrator, The Korean Commercial Arbitration Board (2003-)
- Member, Financial Review and Disciplinary Commission, the Financial Supervisory Service (2001-2002)
- Member, The Working & Evaluation Committee for National Pension Fund Operation (2003-2005)
- Member, Committee on Authoritative Interpretation of Laws and Regulations, Ministry of Government Legislation (2005-2009)
- Member, Control Commission gambling industry(2005-2007)
- Member, Fair Indication & Advertisement Committee, Fair Trade Commission (2010-2014)
- Member, Foreign Investment Advisory Committee for Geonggi-Do Local Government (2011-2013)
- Of Counsel, Land Expropriation Committee, Ministry of Land & Maritime (2011-)
- Of Counsel, Construction Association of Korea (2011-)
- Author of Limitation of Delegated Legislation (1998) Principle of No Taxation without Statute and Limitation of Delegated Legislation (1998)
- Legislative Guide for the Entry Regulation to Satellite Broadcast (2000)
- Open Trial and Protection of Trade Secret (2002)
- Co-author of Understanding of Law (1998)
