Ryo Sahashi

Associate Professor of International Relations

Institute for Advanced Studies on Asia

The University of Tokyo 



Dr. Sahashi specializes on international politics in East Asia. His book is In a Search for Coexistence: the United States and Two Chinas during the Cold War (Tokyo: Keiso, 2015) and edits East Asian Order in the Post-Cold War Era (Tokyo: Keiso, 2020). In English, he edits Looking for Leadership: The Dilemma of Political Leadership in Japan (Tokyo and New York: Japan Center for International Exchange, 2015), and his articles appears on China International Strategy Review, Contemporary Politics, and Journal of Contemporary China. 


Concurrently, he serves as Member, Expert Panel on Land Use and National Security, Cabinet Secretariat, and Member, Advisory Panel on Science & Technology Diplomacy, Ministry of Foreign Affairs, Japan. He also works as Research Fellow of Japan Center for International Exchange, Faculty Fellow, Research Institute of Economy, Trade, and Industry,  and Visiting Fellow, 21st Century Policy Institute, Keidanren. He regularly contributes to NHK, Nikkei, Asahi Shimbun, Mainichi Shimbun, Yomiuri Shimbun and other major media outlets.


Dr Sahashi has taught at Kanagawa University as professor until March, 2019 and has been Visiting Associate Professor, Walter H. Shorenstein Asia Pacific Research Center, Stanford University and Shigeru Yoshida Chair, Instituto Tecnológico Autónomo de México (ITAM). He joined University of Tokyo from April, 2019, and concurrently, Associate Professor, Future Vision Research Institute, the University of Tokyo. 


He also served as adjunct Senior Research Fellow at Sasakawa Peace Foundation, Tokyo Foundation-German Marshall Fund of the United States Partnership Fellow, and Guest Researcher for First Special Committee Research Office, House of Councilors. He is the member of UK-Japan 21st Century Committee.


He received his B.A. from International Christian University and his Ph.D. from the Graduate Schools for Law and Politics at the University of Tokyo. He also studied at Department of Political Science, University of Illinois at Urbana-Champaign. 


He can be reached at sahashi [at-mark] ioc.u-tokyo.ac.jp