| 2024–Present |
Adjunct Professor, Sungkyunkwan University School of Law |
| 2007-Present |
Lee & Ko |
| 2024–Present |
President, the Unification Law Academy of the Database Center for North Korean Human Rights |
| 2024–Present |
Vice Chairman of the Unification Research Committee of the Korean Bar Association |
| 2024-Present |
Member, the Policy Advisory Committee of the Ministry of Unification |
| 2024-Present |
Director, Korea Society of Unification and North Korean Law Studies |
| 2024-Present |
Managing director of Global Edu |
| 2024-Present |
Member, the National Unification Advisory Council |
| 2023–Present |
Advisor, the Inter-Korean Exchange and Cooperation Report Center under the Inter-Korean Exchange and Cooperation Support Association |
| 2023 |
Advisor, the Kaesong Industrial District Support Foundation |
| 2022–Present |
President of VK Leadership Forum |
| 2021-Present |
Advisor, Legal Advisory Council for Inter-Korean Cooperation District, Ministry of Unification |
| 2021-Present |
Advisor, Legal Advisory Council for Inter-Korean Economic Cooperation, Ministry of Unification |
| 2021-Present |
Member, Inter-Korean Legislative Research Committee, Ministry of Government Legislation |
| 2021-Present |
Advisor, Kaesong Industrial Region Foundation |
| 2021-Present |
Member, Regulatory Review Committee, Ministry of Unification |
| 2020-Present |
Chairperson, Ad Hoc Committee on Inter-Korean Legislative Research under the Unification Research Committee, Korean Bar Association |
| 2020-Present |
Member, Unification Research Committee, Korean Bar Association |
| 2020-2021. 4. |
Member, Special Committee on Research of South and North Korean Laws, Ministry of Justice |
| 2020-Present |
Member, Inquiry Commission on Committee Review, Ministry of Unification |
| 2018-Present |
Advisor, Kaesong Industrial Complex Legal Advisory Committee, Ministry of Unification |
| 2018-Present |
Member, Committee on Unification Legislative System, Ministry of Unification |
| 2017-Present |
Advisor, Special Committee on Unification Legislative System, Seoul Bar Association |
| 2012-Present |
Member, Unification and North Korean Law Studies |
| 2011-Present |
Executive Lead Member, North Korea Advisory Group, Lee & Ko |
| 2011-2013 |
Member, Human Rights Commission, Korean Bar Association |
| 2011-2013 |
Member, Subcommittee on Unification Business Commission, Korean Bar Association |
| 2009-2013 |
Executive Lead Member, Commission on Legal Support for North Korean Refugees |
| 2011-2012 |
Member, Promotion Committee on Unification Legislative System Cyber Academy, Korean Bar Association |
| 2011-2012 |
Executive Lead Member, Pro Bono Committee, Lee & Ko |
| 2008-2009 |
Member, Committee on Amendment to the North Korean Refugees Protection and Settlement Support Act, Korean Bar Association |
| 2005-2007 |
Advisor, Advisory Council for Democratic and Peaceful Unification |