- Former President of the Korean Society of Property Law
- Former President of the Korean Association of Arts and Culture Law
- Member of the Civil Code Revision Committee, Ministry of Justice
- Member of the Legislative Review Committee, Ministry of Government Legislation
- Currently Professor of Civil Law at Hanyang University, School of Law
- Publications: 『Theory of Legal Entities』 (solo author)/『Who Owns the Past? 』 (solo author)/『Annotated Civil Code』 (co-author)/『AI and Law』 (co-author), among others