Passing the 18th bar examination

Completion of the 8th Judicial Research and Training Institute

a military judicial officer

a judge of the Busan District Court

Judge Jinju Branch of Busan District Court

Judge Jinju Branch of Masan District Court

Judge of the Suwon District Court

a judge of the Seoul High Court

a judicial researcher of the Supreme Court

Chief Judge of Jeonju District Court (Trial Researcher)

Chief Judge of the Incheon District Court

Chief Judge of the Seoul Southern District Court

Chief Judge of the Seoul Central District Court

Chief Judge of the Daejeon High Court

Chief Judge of the Seoul High Court

Law firm Ilshin's representative lawyer

Law firm Jeong Yul

Chairman of the Standing Mediation Committee of the Seoul Western District Court Mediation Center

Partner, Sanwoo Lawfirm