• Past) Seoul Bar Association, Secretary General and General Affairs Director (2011)
• Past) Seoul Metropolitan Office of Education, Administrative Judge (2011)
• Past) Korean Bar Association, Chief Member of Public Interest Review Committee and Member of Professional Jury Committee (2016 - 2017)
• Past) Arbitration Committee of the Seoul Bar Association, Chief Member (2017 - 2019)
• Past) Korean Notaries Association, Executive Director (2017 - 2020)
• Current) Hanmi Law Firm, CEO (2007 - Present)
• Current) MBK Scholars, Auditor (2013 - Present)
• Current) Consumer Dispute Settlement Committee of Korea Consumer Agency, Expert Member with regard to laws on traveling, studying abroad, and immigration issues (2018 - Present)
• Graduate School of Kyung Hee University, Department of Law (Majored in Administrative Law) (Feb. 1990)
• Korean Bar Examination (33rd)
• Judicial Research & Training Institute (23rd)
• Army Judge Advocate (Feb. 1994 - Feb. 1997)
• Korean
• English