• HanJoong Law Firm (2012 - 2020)
• Ministry of National Defense Personnel Appeal Committee, Information Disclosure Review Committee, Committee on Death and Injury during Military Service
• Auditor of Steel Flower Co., Ltd.
• Supervisor of certified loan manager
• Member of the Icheon Information Disclosure Review Committee
• Masan Jungang High School (1998. Feb)
• Korea University LLB (2009. Feb)
• Korean Bar Examination (51st)
• Judicial Research and Training Institute (41st)
• Korea Productivity Center (KPC) (24th)
• Attorney at law
• Tax attorney