Member of the National Assembly (17th, 18th, 19th, 20th, and 21th National Assemblies)

<Present>
Member of the Foreign Affairs and Unification Committee, National Assembly (NA)
Co-Chair, Forum on the 4th Industrial Revolution, NA

<Previous>
- Co-Chair, Committee on K-New Deal to Overcome National Challenges, DPK
- Chair, Special Committee on Judiciary Reform, NA
- Chair, Legislation and Judiciary Committee, NA
- Co-Chair, Special Committee on Relocation of the National Assembly to Sejong, DPK
- Co-Chair, Special Committee on Prosecution Reform, DPK
- Chair, Special Committee on Science and Technology, DPK
- Chair, Special Committee on Information and Communications, DPK