• Passed the 37th National Judicial Examination, Graduated from the Judicial Research and Training Institute (27^th class)
• Former) Presiding Judge, Seoul Central District Court (specialized in construction cases, civil appeals panel)
• Former) Presiding Judge, Seoul Northern District Court (criminal collegiate panel, criminal appeals panel)
• Former) Presiding Judge, Seoul Eastern District Court (high-value civil cases panel)
• Former) Presiding Judge, Suwon District Court (administrative cases, single judge panel)
• Former) Presiding Judge, Gangneung Branch of Chuncheon District Court (civil and criminal collegiate panels, appeals panel, administrative cases panel)
• Former) Judge, Seoul Administrative Court (labor and tax cases), Judge, Seoul High Court (criminal and administrative cases)
• Current) LIN

• Uchon Elementary School (graduated 1979), Samseon Middle School (graduated 1982)
• Daeil High School (10^th class)
• B.A. in International Relations, Seoul National University (class of 1985)
• Passed the 37^th National Judicial Examination, graduated from the Judicial Research and Training Institute (27^th class)
• Master of Engineering, Graduate School of Intellectual Property (MIP 13^th class), Korea Advanced Institute of Science and Technology (KAIST) - Visiting Scholar, American University Washington College of Law (2008)