Graduated from Chiba University. Received a master’s degree from the Graduate School of Education, University of Tokyo, in 1997. Joined the Japan Forum on International Relations (JFIR) as a Research Assistant in 2000. Appointed Senior Research Fellow in 2007, Executive Director and Distinguished Research Fellow in 2011, and Vice President in 2018. Representative Director and President of JFIR since 2019. Concurrently Chairman of the Global Forum of Japan (GFJ) and the Council on East Asian Community (CEAC). Specializes in epistemic communities, cultural diplomacy, Japanese cultural studies, and cultural policy.

Selected works include Fundamentals of International Politics through Key Topics: Theory, History, and Regions (co-authored, Ashi Shobo, 2023; in Japanese), as well as the interviews “The role of multilateralism under the shadow of the Ukraine war” (FRS, 2023) and “The importance of the G7 and the role of Japan in a multipolar era” (FRS, 2021).