· Member Of Advisory Board For The US And The ROK Civilian Nuclear Energy Agreement And Partnership, Korea Hydro & Nuclear Power (KHNP)2025–
· Vice President, Korea Nuclear Policy Society (Current)2025–
· Vice President, Presidential Peaceful Unification Advisory Board (Current)2025–
· Central Selection Committee Member, Seoul Scholarship Foundation (Current)2025–
· Leader For The Republic Of Korea Strategic Command (STRATCOM) Deterrence International Symposium, The Republic of Korea Strategic Command (STRATCOM) (Current)2025–
· Dean Of Academic Affairs, National Security College, Korea National Defense University (Current)2024–
· Advisor, Arms Control and Verification Agency, Ministry of National Defense (Current)2023–
· Non Resident Fellow, The National Bureau of Asian Research2023–
· Advisor, ROK-US Combined Forces Commander Strategic Shaping Board (CSSB) (Current)2017–
· Professor Of International Politics (tenured), Korean National Defense University (Current)2009–