Academic History and Professional Experience

• 2007

  B.A. in Policy Management, Keio University

• 2008-2009

  Research Fellow, Center for the Promotion of Disarmament and Non-Proliferation, Japan Institute of International Affairs

• 2009

  M.A. in Media and Governance, Keio University

• 2009-2019

  Research Fellow, National Institute for Defense Studies

• 2013

  Visiting Scholar, Space Policy Institute, Elliott School of International Affairs,
  George Washington University (August-October)

• 2015-2016

  Lecturer (Part-time), International Relations Faculty, Tokyo International University

• 2015

  Ph.D. in Media and Governance, Keio University

• 2019-present

  Senior Research Fellow, National Institute for Defense Studies

• 2022-2023

  Visiting Scholar, UC Institute on Global Conflict and Cooperation

• 2024-present

  Guest Associate Professor (Part-time), Faculty of Policy Management, Keio University

Selected Publications

Books

• The Oxford Handbook of Space Security

  Saadia M. Pekkanen and P.J. Blount, eds. (Oxford University Press, 2024)

• Book Guide to International Security

  AKAGI Kanji and Japan Association for International Security, eds. (Keio University Press, 2024) *Japanese

• Order and Disorder in Space Security: Past, Present, and Future

  (Chikura Publishing Company, 2020) *Japanese

• Aspects of Disarmament and Non-Proliferation

  Japan Association of Disarmament Studies, ed. (Shinzansha Publisher Co., Ltd., 2019) *Japanese

• Disarmament Dictionary

  Japan Association of Disarmament Studies, ed. (Shinzansha Publisher Co., Ltd., 2015) *Japanese

• Classic Books on Strategic Theories: From Sun Tzu, Machiavelli to Present

  NONAKA Ikujiro, ed. (Chuokoron-Shinsha, Inc., 2013) *Japanese

Articles in Academic Journals

• "Cislunar Security: U.S. and Chinese Activities in Cislunar Space and Future Issues"

  Security & Strategy, Vol. 3, No. 2 (March 2023) *Japanese

• "The Creation of the Space Force and the Space Command in the United States: Background and Intent of the Creation and Assessment of the Stand-up Status"

  Security & Strategy, Vol. 2, No. 2 (March 2022) *Japanese

• "A New Tide in the Military Use of Space: The Significance of the Growing Use of Space in the U.S. Combat Operations"

  KEIO SFC JOURNAL, Vol. 15, No. 2 (March 2016) *Japanese

• "Debates over the Military Value of Outer Space in the Past, Present, and the Future: Drawing on Space Power Theory in the US"

  NIDS Journal of Defense and Security, No. 14 (December 2013)(Originally published in Japanese in Boei Kenkyusyo Kiyo [NIDS Security Studies], Vol. 15, No. 2, February 2013)

• "The Proliferation of Space Capabilities and its Impact on the US National Security, Focusing on the Issue of Space Control"

  The Journal of Strategic Studies, No. 9 (March 2011) *Japanese

• "An Asian Perspective on the New US Space Policy: The Emphasis on International Cooperation and its Relevance to Asia"

  Space Policy, Vol. 27, Issue 1(February 2011)

Other Publications

• “A Japanese Perspective on the Democratization of Space”

  Henry L. Stimson Center (November 3, 2023)

• "Japan Endeavors to Utilize Space for Defense Purposes"

  Henry L. Stimson Center (February 23, 2023)

• "China's Military Use of Space"

  NIDS China Security Report 2021: China's Military Strategy in the New Era, The National Institute for Defense Studies, Japan, ed. (November 2020)

• "Japan's Use of Space for Defense Purposes: Continuity and Change Before and After the Enactment of the Basic Space Law"

  Briefing Memo (March 2017)

• "Space Security: Global Trends and Japan's Efforts"

  (Lead Author, Section 1 and 2) East Asian Strategic Review 2016, The National Institute for Defense Studies, Japan, ed. (May 2016) (Originally published in Japanese in Higashiajia Senryaku Gaikan 2016, March 2016)