1985. Judicial Research and Training Institute
1987. Judge, Daejeon District Court
1990. Judge, Ganggyeong Branch, Daejeon District Court
1992. Judge, Suwon District Court
1995. Judge, Eastern Branch, Seoul District Court
1998. Judge, Seoul District Court
1999. Judge, Seoul High Court
2001. Judge, Seoul District Court
2002. Presiding Judge, Jinju Branch, Changwon District Court
2004. Presiding Judge, Bucheon Branch, Incheon District Court
2006. Presiding Judge, Seoul Eastern District Court
2021. Partner, CLASS