Member, Blockchain Law Society (2022-Present)

Lecturer (Division of Inheritance & Reserve), Seoul Bar Association (2015-2017, 2021) / Korean Bar Association / Korean Institute of Certified Public Accountants (2021)

Member, Seoul Administrative Appeals Commission (2019-2020)

Adjunct Professor, Seoul National University School of Law (2019-Present)

Kim & Chang (2018-Present)

Member, Judicial Study Commission on the Enactment of the International Adoption Act and the Revision of the Act on Special Cases Concerning the Promotion and Procedure of Adoption (2017)

Lecturer (Family Law & Inheritance Law), Korean Bar Association (2016-2017, 2021-2022)

Lecturer (Family Law & Law of Succession), Seoul Bar Association (2016-2017)

Presiding Judge, Seoul Family Court (2015-2018.2.)

Member, Judicial Study Commission on the Revision of the Act on the Improvement of Mental Health and the Support for Welfare Services for Mental Patients, Court Administration Office of the Supreme Court of Korea (2015-2016)

Presiding Judge, Gwangju District Court (2014-2015)

Adjunct Professor, Konkuk Law School (2013)

Adjunct Professor, Kyung Hee University Law School (2013)

Adjunct Professor, Hankuk University of Foreign Studies (HUFS) Law School (2013)

Adjunct Professor, Sogang University Law School (2012)

Adjunct Professor, University of Seoul (UOS) Law School (2012)

Professor, Judicial Research and Training Institute (2012-2014)

Judge, Seoul High Court (2011-2012)

Judge in Charge of Public Relations on Criminal Matters, Seoul Central District Court (2009-2011)

Judge, Incheon District Court (2005-2009)

Judge, Busan District Court (2002-2005)