| 2016-Present |
Lee & Ko |
| 2009-2015 |
Associate Justice, Supreme Court of Korea |
| 2008-2009 |
President, Seoul Central District Court |
| 2006-2008 |
President, Suwon District Court |
| 2005-2006 |
Chief Criminal Judge, Seoul Central District Court |
| 2001-2005 |
Presiding Judge, Seoul High Court |
| 2001-2003 |
Chief of Staff to Chief Justice of Korea |
| 2000-2001 |
Chief Presiding Judge, Daejeon District Court |
| 1998-2000 |
Presiding Judge, Seoul District Court |
| 1995-1998 |
Professor, Judicial Research and Training Institute |
| 1992-1995 |
Presiding Judge, Cheongju District Court |
| 1991-1995 |
Research Judge, Supreme Court |
| 1990-1991 |
Judge, Seoul Criminal District Court |
| 1989-1992 |
Judge, Seoul High Court |
| 1988-1990 |
Director of Litigation, National Court Administration |
| 1987-1988 |
President, Yeongdong Branch of Cheongju District Court |
| 1985-1987 |
Judge, Daegu District Court |
| 1983-1985 |
Judge, Seoul Civil District Court |
| 1981-1983 |
Judge, Seoul Southern District Court |