Ryo Sahashi is an associate professor of international relations at the Institute for Advanced Studies on Asia, the University of Tokyo. Dr. Sahashi specialises in international politics in East Asia. He serves as a research fellow at the Japan Center for International Exchange and has been a visiting associate professor at Walter H. Shorenstein Asia Pacific Research Center, Stanford University. 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.