Head of School of Law and Politics at Seoul City University
Visiting Professor at Bonn University in Germany
Committee Member for the Judicial Examination, Administrative Examination, Legislative Examination, CPA Examination
Advisor (legal) for COSDAQ Listed Companies Association (2000.9-2013.6)
Professional member for the Financial Dispute Mediation at the Financial Supervisory Service (2002.6-2009.2)
Commissioner for the Financial Dispute Mediation Panel at the Financial Supervisory Service (2009.2-2011.5)