1986. Judicial Research and Training Institute
1989. Judge, Seoul Central, Busan, Incheon, Ulsan District Court
1998. Judge, Seoul High Court
1999. Judicial Researcher, Supreme Court
2001. Presiding Judge, Seoul, Suwon, Daejeon Central District Court
2008. Partner, Hanseung
2009. Partner, ChungJeong
2020. Partner, CLASS