Ryo Sahashi is Associate Professor of International Relations at the Institute for Advanced Studies on Asia, University of Tokyo. Sahashi contributions include the recent book ‘US-China Rivalry: A Shift of American Strategy and Divided Worlds’ and ‘In a Search for Coexistence: The United States and Two Chinas during the Cold War’. Sahashi’s research appears in respected journals, including China International Strategy Review, Contemporary Politics and the Journal of Contemporary China. Sahashi has held various roles, serving on advisory panels and as a faculty fellow at research institutions.