ExpertsExperts in Geoeconomics

To make a broader contribution to society in response to evolving international affairs, approximately 25 experts in international relations, geopolitics, area studies, social systems, governance, and innovation—who actively conduct research and provide recommendations—are registered as researchers at I-House. These experts engage in intellectual dialogue with their counterparts in Japan and abroad, while also fostering the development of human resources.

Masahito Kaneko

Research Assistant

Masahito Kaneko is a Research Assistant of the China Group at the Institute of Geoeconomics (IOG). He specializes in the History of International Rela…
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Kuniharu Kakihara

Group Head, International Security Order / Visiting Senior Research Fellow

Born in 1964, Kuniharu Kakihara graduated from the National Defense Academy and holds master’s degrees in Regional Studies from the University of Tsuk…
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Shin Oya

Visiting Senior Research Fellow

Mr. Oya assumed current position from November 2024. Prior to that, he worked at the Japan Bank for International Cooperation (JBIC), where he was inv…
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Kenichi Doi

Senior Research Fellow

Senior Research Fellow of the China Group at the Institute of Geoeconomics (IOG). Doi specializes in China and the world (geoeconomic issues, such as …
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Yoshimi Igawa

Visiting Research Fellow

IGAWA Yoshimi (Ph.D.) is an Associate Professor at the Faculty of Economics and Business Administration, Business School, Kyoto University of Advanced…
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Eiki Tagami

Visiting Research Fellow

Eiki Tagami is a visiting research fellow in Institute of Geoeconomics at International House of Japan from May 2024. With over 30 years of experience…
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Mariko Togashi

Visiting Research Fellow

Mariko Togashi has been a Visiting Research Fellow at the Institute of Geoeconomics (IOG) since January 2024. Prior to IOG, Mariko was a Research Fell…
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Kota Umeda

Visiting Research Fellow

Kota Umeda is a visiting research fellow in Institute of Geoeconomics at International House of Japan. Mr. Umeda has more than eight years of experien…
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Andrew Capistrano

Visiting Research Fellow

Andrew Capistrano is Director of Research at PTB Global Advisors, a Washington DC-based geopolitical risk consulting firm. Specializing in economic co…
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Paul Nadeau

Visiting Research Fellow

Paul Nadeau is an adjunct assistant professor at Temple University's Japan campus, co-founder & editor of Tokyo Review, and an adjunct fellow…
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Naoko Eto

Senior Fellow & Group Head, China

ETO Naoko is Professor at the Department of Political Science, Gakushuin University. Her main research interests include contemporary Chinese politics…
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Satoshi Yamada

Visiting Senior Research Fellow

Satoshi Yamada has been a visiting senior research fellow at the Institute of Geoeconomics (IOG) since 2022. He has over 25 years’ experience in the J…
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Hirohito Ogi

Senior Research Fellow

Hirohito Ogi is a senior research fellow at the Asia Pacific Initiative (API) & the Institute of Geoeconomics (IOG), the International House of Ja…
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Yusuke Ishikawa

Research Fellow ／Digital Communications Officer

Yusuke Ishikawa is a Research Fellow and Digital Communications Officer at Asia Pacific Initiative (API) and Institute of Geoeconomics (IOG). His rese…
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Makoto Shiono

Group Head, Emerging Technologies ／Director of Management

B.A. in Political Science, Faculty of Law, Keio University (Kubo, Fumiaki Research Group of American Politics), Master of Laws, Washington University …
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Kazuto Suzuki

Director & Group Head, Economic Security

Kazuto Suzuki is Professor of Science and Technology Policy at the Graduate School of Public Policy at the University of Tokyo, Japan. He graduated fr…
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Yuichi Hosoya

Group Head, Europe ＆ Americas ／Director of Research, Asia Pacific Initiative
Director, International House of Japan

Yuichi Hosoya is professor of international politics at Keio University, Tokyo. Professor Hosoya was a member of the Advisory Board at Japan’s Nationa…
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Hotaka Machida

Visiting Senior Research Fellow

MACHIDA Hotaka is a visiting senior research fellow in Institute of Geoeconomics at International House of Japan. He joined the Institute in October, …
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Kousuke Saito

Visiting Senior Research Fellow

SAITOU Kousuke is a professor at the Faculty of Global Studies, Sophia University, Japan. He received his Ph.D. in International Political Economy fro…
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Yoshiyuki Sagara

Senior Research Fellow

Yoshiyuki Sagara is a senior research fellow at the Asia Pacific Initiative (API), where he focuses on economic security, sanctions, health security p…
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Ken Jimbo

Managing Director (Representative Director), International House of Japan ／President, Asia Pacific Initiative

JIMBO Ken is Professor at the Faculty of Policy Management, Keio University. He served as a Special Advisor to the Minister of Defense, Japan Ministry…
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Hitoshi Suzuki

Senior Research Fellow ／COO, LLC future mobiliTy research

SUZUKI Hitoshi (PhD) was Associate Professor at the Graduate School of International Studies and Regional Development, University of Niigata Prefectur…
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Rintaro Inoue

Research Assistant

Rintaro Inoue is a Research Assistant at the Asia Pacific Initiative (API) & the Institute of Geoeconomics (IOG), the International House of Japan…
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