The 2nd Court Administration Exam

Court Secretary(Supreme Court Research Bureau)

The 23th Korea National Bar Exam

Completed 13th Judicial Research and Training Institute

Judge, Seoul Civil Court

Judge, Seoul Southern District Court

Judge, Cheongju District Court Jecheon Branch Court

Chairman, Jewon County Election Commision

Judge, Seoul Family Court

Judge, Northern Branch of Seoul District Court

Chairman, Dongdaemoon District Election Commision

Judge, Seoul Central District Court

Japan Waseda University Training

Judge, Seoul High Court

Chief, Daejeon District Court Gongju Branch Courts

Chairman, Gongju City Election Commision

Chief, Daejeon District Court Hongseong Branch Courts

Chairman, Hongseong District Election Commision

Presiding Judge, Seoul Family Court

Presiding Judge, Seoul Central District Court

Attorney, KIMSUNHEUM lawyer's office

Attorney, Jungchu Lawfirm

Attorney, Kukwon Lawfirm

Partner, Sanwoo Lawfirm