Senior Adjunct Fellows

Yuichi Hosoya (Professor, Faculty of Law, Keio University)
[Expertise] Diplomatic History, British Diplomatic History

Tsutomu Kikuchi (Professor Emeritus, Aoyama Gakuin University)
[Expertise] International political economy of the Asia-Pacific, APEC, Japanese foreign policy

Fumiaki Kubo (President, National Defense Academy, Japan)
[Expertise] U.S. politics and foreign policy, Japan-U.S. relations, international relations

Naoya Okuwaki (Professor Emeritus, University of Tokyo)
[Expertise] International Law

Akio Takahara (Professor, University of Tokyo)
[Expertise] Current Chinese Politics and International Relations in East Asia

Akihiko Tanaka (President of the National Graduate Institute for Policy Studies (GRIPS))
[Expertise] International politics in Asia

Adjunct Fellows

Kiyoshi Araki (Former Ambassador of Japan to Republic of Turkey)

Masahiko Asada (Professor, Faculty of Law Department of Law, Doshisha University)
[Expertise] International Law

Hideaki Asahi (Former professor of international security, Graduate School of Arts and Sciences, University of Tokyo / Former ambassador to East Timor)

Ken Endo (Professor, University of Tokyo)
[Expertise] The European Union, Security, International Politics

Kazuko Hikawa (Professor, Osaka Jogakuin University)
[Expertise] Nuclear Disarmament and Non-proliferation

Yoko Hirose (Professor, Faculty of Policy Management Graduate School of Media and Governance, Keio University)
[Expertise] Former USSR, International politics, Russia, Frozen conflict, unrecognized states, Hybrid Warfare

Takahiro Ikawa (Director, Fujitsu Future Studies Center)

Juichi Inada (Professor, School of Economics, Senshu University / Visiting Scholar, SAIS, Johns Hopkins University( -Mar. 2024)
[Expertise] Political Economy of International Development, ODA Evaluation

Masafumi Ishii (Former Ambassador of Japan to Indonesia, Former Permanent Representative of Japan to the NATO)

Kazuhide Ishikawa (Former Ambassador of Japan to Republic of the Philippines)

Takehiro Kagawa (Chairperson, Hiroshima Peace Culture Foundation, Former Ambassador to Egypt, Former TPP chief negotiator)
[Expertise]Nuclear Disarmament Nonproliferation, Middle East, Trade Negotiation

Matake Kamiya (Professor, National Defense Academy)
[Expertise]Security, Japan-US Alliance

Nobukatsu Kanehara (Former Assistant Chief Cabinet Secretary)

Saori N. Katada (Professor of International Relations, University of Southern California)
[Expertise] International Political Economy, Japanese Foreign Economic Policy

Kenichi Kawasaki (Professor, GRIPS Alliance, National Graduate Institute for Policy Studies (GRIPS))
[Expertise] Macroeconomic Policy, Business Cycles, Economic Outlook

Hideya Kurata (Professor, National Defense Academy)
[Expertise] North and South Korean politics and foreign relations, international security

Mitsuru Kurosawa (Professor Emeritus, Osaka University)
[Expertise] Nuclear disarmament and non-proliferation

Sumio Kusaka (Former Ambassador of Japan to Australia)

Chisako T. Masuo (Professor, The Faculty of Social and Cultural Studies, Kyushu University)
[Expertise] Chinese Politics, Diplomacy, and Maritime Policy

Koichi Nakagawa (Research Director, Mitsubishi Research Institute, Inc.)
[Expertise] Middle East

Toru Nakakita (Professor, Toyo University)

Shotaro Oshima
[Expertise] Japan-U.S. Diplomatic History; Multilateral Trade/Investment Issues

Heigo Sato
(Professor, Takushoku University)
[Expertise] International Relations, Security Studies, Export Control, Arms Control and Disarmament

Kazuto Suzuki
(Professor, Graduate School of Public Policy, The University of Tokyo)
[Expertise] International Political Economy, Science and Technology Policy, Space Policy, Security Trade Control (Export Control), Economic and Targeted Sanctions, Economic Statecraft, Nuclear Safety, European Integration, Middle East Studies

Yoichi Suzuki (Former Ambassador of Japan to French Republic)

Adm. Tomohisa Takei (Former Chief of Staff, Japan Maritime Self-Defense Force)
[Expertise] Maritime Security

Shigenobu Tamura
[Expertise] Foreign Relaitions, Security

Motohiro Tsuchiya (Vice-President, Keio University, and Professor, Keio University Graduate School of Media and Governance)
[Expertise] International Relations, Cybersecurity

Toshiya Tsugami (Representative, Tsugami Workshop)
[Expertise] Chinese Economy

Kunio Umeda (Former Ambassador of Japan to Brazil, Former Ambassador of Japan to Vietnam, and Vice Chairman, National Association for Global & Open Minded Communities (NAGOMi))

Masaru Watanabe (Former Ambassador of Japan to Cuba)

Katsuyuki Yakushiji (Professor, Toyo University)

Senior Fellows (non-resident/resident)

Visiting Fellows

2025

2018-