Education and Professional Experience

• 2016

  B.A. Keio University

• 2018

  Master of Public Policy, Graduate School of Public Policy, the University of Tokyo

• 2018-
  2020

  Research Associate, Asia Pacific Initiative.

• 2020-
  2021.3

  Researcher, Emerging Security Challenges Division / Economic Security Policy Division, Foreign Policy Bureau, Ministry of Foreign Affairs.

• 2021-

  Research Fellow, National Institute for Defense Studies

Selected Publications

Japanese

• Military Cyber Forces (MCF) as Integrator of Offensive Cyber in Democracies: Comparative Studies of the ‘Dual Integration’ mechanism through the U.S. and Netherlands MCF

  Security and Strategy, Vol.4, No.2, 177-201, March 2024

• Diffusion and Diversification in Public Attribution Policies of Cyber Operations: Comparative Attribution Politics in the US Instrumentation and EU Judicialization

  Security and Strategy, Vol.3, No.2, 63-83, March 2023

• Book Review: Shida Junjiro, Hybrid War: Enduring Threats to Democracy

  The Journal of International Security, Vol. 50, No.2, 122-126, September 2022

• Weaponized Disclosure of Intelligence in the Russia-Ukraine War: Disclosure Dilemma and Hidden Inheritance from Post-2014 Transatlantic Security Cooperation

  NIDS Commentary, No.224, 1-12, May 2022

• Public Attribution to State-sponsored Cyber activities: Five Eyes' Attribution Coalition and SolarWinds Incident Response

  NIDS Commentary, No.179, 1-15, July 2021

English

• Weaponized Disclosure of Intelligence in the Russia-Ukraine War: Disclosure Dilemma and Hidden Inheritances from Post-2014 Transatlantic Security Cooperation

  NIDS Commentary, No.224, October 2023 [in English version: with citation updates from the original Japanese edition in May 2022]

Presentation and Conference Paper

Japanese

• Covert Action in the Information Age: Challenges of the State-sponsored Offensive Cyber Operations from a Historical Perspective.

  Conference Paper presented at the Japan Association of International Relations（JAIR） Annual Convention 2022, Octber 30, 2022

• Policy and Politics of Cyber Attribution：Divergence by Internationalization and Marketization

  Presentation at the Cyber Security Legislation Society, July 30, 2022

English

• Disruptive Counter-Cyber Operations Leveraging Trilateral Assets in Indo-Pacific?

  Conference Paper presented at CSBA Trilateral Strategic Dialogue, April 21, 2021

Teaching Experience / Other Professional Appointments

• A Contributing Expert to the SNV Cyber Diplomacy Working Group ‘Cyber Norms on Attribution’.

  National Institute for Defense Studies, September 2022 - Present

  * Discussion as a working group member helps to formulate the following report: Christina Rupp and Alexandra Paulus, Official Public Political Attribution of Cyber Operations: State of Play and Policy Options（Stiftung Neue Verantwortung [SNV] , Berlin, Germany, October 2023）

• Lecturer / Assistant Supervisor to the MA thesis writing by a JSDF colonel for NIDS-GRIPS Strategic Studies Program,

  National Institute for Defense Studies, September 2022 – September 2023.

• Lecturer on Emerging Challenges of National Security for NIDS Special Course

  National Institute for Defense Studies, July 2021 –

• Lecturer on Basic of Cyber Defense Policy at the NIDS Career-Track Personnel Training Course,

  National Institute for Defense Studies, May 2021 –