THOMAS BERGER Associate Professor in the Department of International Relations at Boston University, USA VICTOR CHA Associate Professor of Government and D.S. Song - Korea Chair in Korean Studies in the Edmund Walsh School of Foreign Service at Georgetown University, USA AKIKO FUKUSHIMA Director of Policy Studies and Senior Fellow of the National Institute of Research Advancement, Tokyo, Japan G. JOHN IKENBERRY Peter F. Krogh Professor of Geopolitics and Global Justice at Georgetown University, USA TAKASHI INOGUCHI Former Assistant Secretary General of the United Nations, Professor of Political Science at the Institute of Oriental Culture, University of Tokyo, Japan MATAKE KAMIYA Associate Professor of International Relations at the National Defense Academy of Japan MICHAEL MASTANDUNO Nelson A. Rockefeller Professor of Government at Dartmouth College, New Hampshire, USA MICHAEL O'HANLON Senior Fellow at the Brookings Institution, Washington DC, USA STEPHEN JOHN STEDMAN Senior Fellow and Acting Co-Director of the Center for International Security and Cooperation at Stanford University, USA UMEMOTO TETSUYA Professor of International Relations at Shizuoka Kenritsu University, Japan JITSUO TSUCHIYAMA Professor of International Relations at Aoyama Gakuin University, Tokyo, Japan