Doo Won CHOI is a career diplomat and has been serving the Republic of Korea for 13 years in the Ministry of Foreign Affairs (Presidential Committee for the G20 Seoul Summit, North America Division II, Development Cooperation Division, and COVID-19 Task Force), the Ministry of National Defense (Arms Control Division and 5th Seoul Defense Dialogue), and the Air Force (Operation Command). He is also a research fellow at the Ash Center for Democratic Governance and Innovation of the Harvard University  Kennedy School of Government, and a reserve air force intelligence officer.

He graduated with honors (summa cum laude) from the Seoul National University (B.A. in International Relations) and from the Harvard University Kennedy School of Government (Mid-Career Master in Public Administration (MC/MPA) ). He was also elected as a director of the Alumni Association of the Department of Political Science and International Relations of the Seoul National University.

Research interests: World State; World Government; Constructivist Theory, International Relations, and the Reunification of Korea.