| 2016-Present |
Lee & Ko |
| 2026-Present |
Member, Trade Security Forum, Legal Enforcement Sub-committee |
| 2025-Present |
Korea Customs Service, member of the Customs Appeal Committee |
| 2023-Present |
University of Seoul, Visiting Lecturer (Customs Law) |
| 2023-2025 |
Incheon Airport Customs, member of the Investigation Review Committee |
| 2023-Present |
Goyang City, member of the Ilsan New Town Reconstruction Technical Advisory Group |
| 2021-Present |
Korea Customs Service, External Advisor |
| 2020-2024 |
Customs Valuation &Classification Institute, Member of Customs Valuation Committee |
| 2016-Present |
Customs Human Resources Development Institute, Visiting Lecturer (Customs and Litigation Laws) |
| 2015-2016 |
Seoul Customs Office, Post-Audit Coordination Section, Judge Advocate Officer |
| 2014-2015 |
Incheon Customs Office, Post-Audit Coordination Section, Judge Advocate Officer |
| 2013-2014 |
Korea Legal Aid Corporation, Judge Advocate Officer |