He was previously a Lecturer, Fellow, and Professor at Korea University. He received his Ph.D. in Political Science from the University of Washington. Dr. Choi has written many articles in English and Korean on topics related to East Asian regionalism. Two of his book chapters are �Japan-ASEAN Comprehensive Economic Partnership: South Korea�s Perspective,� in Japan-ASEAN Comprehensive Economic Partnership: Asian Perspective, and �Northeast Asian Regional Integration: Regional Theories, Current Realities and Future Prospects,� in Political Economy of Northeast Asian Regionalism: Political Conflict and Economic Integration. He recently published a book in Korean, A New Diplomatic Strategy for a Global Korea.