Leadership ＆ Experts

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Executive Officers

Chief Research Fellow

Senior Fellows

Research Fellows

Secretary General for the Japan–China Joint Historical Research

  • TOYAMA Shigeru

    TOYAMA Shigeru

Senior Advisor, the Center for Disarmament, Science and Technology

Office of the President

  • Senior Secretary

    KOYAMA Yoko

Managing Directors, JIIA Platform

  • UMEMOTO Kazuyoshi

    General Manager

    UMEMOTO Kazuyoshi

    Environment, Society, Governance

  • MIYAGAWA Maiko

    MIYAGAWA Maiko

    National Power

  • ISHII Masafumi

    ISHII Masafumi

    Diplomacy, Security
    (Adjunct Fellow, JIIA)

JIIA Platform

Managing Director, JIIA Center for Global Outreach (CGO)

  • ITO Takako

Fellows, JIIA Center for Global Outreach (CGO)

  • AKIYAMA Nobumasa

    AKIYAMA Nobumasa

  • OBA Mie

    OBA Mie

  • KOTANI Tetsuo

    KOTANI Tetsuo

JIIA Center for Global Outreach (CGO)

  • Project Director

    KAWAKAMI Yusuke

  • Program Officer

    OKUBO Hiromi

  • Program Officer

    KURIMOTO Kei

Senior Adjunct Fellows

  • OKUWAKI Naoya

    International Law
    (Professor Emeritus, University of Tokyo)

  • KIKUCHI Tsutomu

    International Political Economy of the Asia-Pacific, Japan’s Diplomacy toward the Asia-Pacific, Analysis of Internal Conflicts
    (Professor Emeritus, Aoyama Gakuin University)

  • KUBO Fumiaki

    U.S. politics and foreign policy, Japan-U.S. relations, international relations

  • TAKAHARA Akio

    Contemporary Chinese Politics, International Relations in East Asia (Special Visiting Professor, Tokyo Woman’s Christian University)

  • TANAKA Akihiko

    International Politics of Contemporary East Asia
    (President, Japan International Cooperation Agency)

  • HOSOYA Yuichi

    British Diplomatic History
    (Professor, Faculty of Law, Keio University)

Adjunct Fellows

  • ASADA Masahiko

    International Law
    (Professor, Faculty of Law, Doshisha University)

  • IKAWA Takahiro

    (President & CEO, Fujitsu Future Studies Center)

  • ISHII Masafumi

    (JIIA Platform Managing Director, Former Ambassador to Indonesia, Former Representative of Japan to NATO)

  • INADA Juichi

    Political Economy of International Development, ODA Evaluation
    (Professor, Faculty of Economics, Senshu University; Visiting Professor, Johns Hopkins University SAIS [FY2023])

  • ENDO Ken

    EU Studies, Security, International Politics
    (Professor, University of Tokyo)

  • OSHIMA Shotaro

    US–Japan Diplomatic History, Multilateral Trade and Investment Issues
    (JIIA Board Member, Former Diplomat)

  • KATADA Saori

    International Political Economy, Japan’s Economic Diplomacy
    (Professor of International Relations, University of Southern California)

  • KANEHARA Nobukatsu

    (Former Senior Officer for National Security, Former Assistant Chief Cabinet Secretary)

  • KAMIYA Matake

    Security, Japan-US Alliance

  • KAWASAKI Kenichi

    Impact Analysis of Economic Partnerships
    (Former Professor, National Graduate Institute for Policy Studies)

  • KUSAKA Sumio

    (Former Ambassador to Australia)

  • KURATA Hideya

    Politics and Diplomacy of South and North Korea, Security
    (Professor, Department of International Relations, National Defense Academy of Japan)

  • SATO Heigo

    International Relations, Security Studies, Export Control, Arms Control and Disarmament
    (Professor, Faculty of International Studies, Takushoku University)

  • SUZUKI Kazuto

    International Political Economy, Science and Technology Policy, Space Policy, Security Export Controls, Economic Sanctions, Economic Statecraft, Nuclear Safety, European Integration, Middle East Issues
    (Professor, Graduate School of Public Policy, University of Tokyo)

  • SUZUKI Yoichi

    (Former Ambassador to France)

  • TAKEI Tomohisa

    Maritime Security, Development of Maritime Defense Capabilities, Regional Maritime Cooperation
    (Former Chief of Staff, Japan Maritime Self-Defense Force)

  • TAMURA Shigenobu

    Diplomacy, Security

  • TSUGAMI Toshiya

    Chinese Economy, Japan–China Relations, East Asian Economic Integration
    (Director, Tsugami Workshop)

  • TSUCHIYA Tomohiro

    International Relations, Cybersecurity
    (Executive Director, Keio University; Professor, Graduate School of Media and Governance, Keio University)

  • NAKAGAWA Koichi

    Middle East
    (Senior Researcher, Mitsubishi Research Institute)

  • HIKAWA Kazuko

    Nuclear Disarmament/Non-Proliferation
    (Deputy Director and Professor, Research Center for Nuclear Weapons Abolition, Nagasaki University)

  • HIROSE Yoko

    Post-Soviet Studies, International Politics, Russia, Frozen Conflicts, Unrecognized States, Hybrid Warfare
    (Professor, Faculty of Policy Management, Keio University)

  • MASUO Chisako

    Chinese Politics and Foreign Policy, Maritime Policy
    (Professor, Faculty of Social and Cultural Studies, Kyushu University)

  • YAKUSHIJI Katsuyuki

    (Professor, Faculty of Sociology, Toyo University)

  • WATANABE Masaru

    (Former Ambassador to Cuba)

Senior Fellow（non-resident）

Visiting Fellows

  • NAGI Steven

    NAGI Steven

    Professor, International Christian University (ICU)

  • AYU ANASTASIA RACHMAN

    AYU ANASTASIA RACHMAN

    Assistant Professor, Bina Mandiri Gorontalo University
    2025 Japan Foundation Southeast Asia Partnership (JFSEAP) Program Visiting Fellow

  • D. Jun Lee

    D. Jun Lee

    Associate Political Scientist, RAND Corporation
    2025 Hitachi-CFR Fellow

  • VISITING FELLOWS

    VISITING FELLOWS

Junior Research Fellows

  • The Center for Territory and History

    MATSUSHITA Ryoji

  • The Center for Territory and History

    TAKAHASHI Shinnosuke