Chaesung Chun is a Professor at the Department of International Relations in Seoul National University, majoring in international relations theory and security relations in East Asia. He is the Chair of the Center for International Relations Studies of the East Asian Institute. He is a member of the Advisory Committee for the Ministry of Defense and the Ministry of Reunification. He was a visiting professor at Keio University in Tokyo from 2010-2011. He received his MA degree from Seoul National University and Ph.D degree from Northwestern University in the field of International Relations Theory. Major books and articles include East Asian International Relations, Is Politics Moral: Reinhold Niebuhr’s Transcendental Realism, “A Study on the Formation of European Modern States System,” “Critique of constructivism from the perspective of postmodernism and realism,” “The Rise of New Powers and the Responding Strategies of Other Countries.”