ISHIHARA Yusuke

Senior Fellow, Defense Policy Division, Policy Studies Department: ISHIHARA Yusuke; ishihara-yu@nids.go.jp; Security Studies,Regional Studies-Areas of Expertise

Areas of Expertise: International Relations in the Asia-Pacific Japanese Foreign and Security Policy

The areas of thesis supervision
Japan’s regional relations in the Asia-Pacific, the history of Japanese diplomacy and security

Education

2007

Bachelor of Laws, Department of Political Science Keio University
2009

Master of Arts in Strategic Studies, Graduate Studies in Strategy and Defence, The Australian National University
2010

Research Fellow, The National Institute For Defense Studies
2014 to 2015

Deputy Director, International Policy Division, Bureau of Defense Policy, Ministry of Defense
2023

PhD, Strategic and Defence Studies Centre, The Australian National University

<Thesis Title>
Renegotiating Japan’s Postwar Bargains: The Transformation of Japanese Foreign Policy and the Pluralisation of the U.S. Hegemonic Order in the 1970s

Selected Publications

"The Contested Concept of ‘Network’ in the National Security Strategy 2025: Beyond Burden Sharing in the Indo-Pacific,"

JCER Insight, 19 December 2025.
"Strategic Diplomacy: The Japan Case’, Country Report for the Project on ‘Strategic Diplomacy for 21st Century Defence and Statecraft’,

The Australian National University, Canberra, Australia, December 2023."
"Japan’s Grand Strategy as a Declining Power,"

East Asian Forum, June 18, 2023.
"Japan’s New Defense Direction and Its Indo-Pacific Policy: Each has implications for the other"

The Diplomat, February 5, 2023.
(Sections 1&2) "World Politics amid Great Power Competition,"

East Asian Strategic Review 2021, Tokyo, Japan Times, May 2021.
"Japan and the Origin of ASEAN Centrality"

Journal of Law, Politics, and Sociology, Vol. 94, No. 2, (February 2021), pp. 496-471.
"Japan's National Security in 2013"

Security Outlook of the Asia Pacific Countries and Its Implications for the Defense Sector: NIDS Joint Research Series, No. 11, October 2014, pp. 123-148.
"Japan-Australia Defense Cooperation in the Asia Pacific Region"

ANU-NIDS Joint Research: Beyond Hub and Spokes, Tokyo:NIDS, March 2014, pp. 93-122.
"Japan-Australia Security Relations and the Rise of China"

UNISCI Discussion Papers, No.32, May 2013, pp.81-98.
"America's Rebalance to Asia and its Implications for Japan-US-Australia Security Cooperation"

(co-authored with Tomohiko Satake) Asia-Pacific Review, 19:2 (November 2012), pp. 6-25.
"Partnership Adrift: Reshaping Australia-Japan Strategic Relations,"

Security Challenges, 5:1 (Autumn 2009) pp. 103-122.

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