Lawyer admitted in Japan (Bengoshi) (2012)
Solicitor admitted in England & Wales (2023)
*Atsumi & Sakai is not regulated by the Solicitors Regulation Authority for England and Wales.

Bar Association

Tokyo Bar Association 


The University of Tokyo (LL.B., 2007)
The University of Tokyo, School of Law (J.D., 2010)
The Legal Training and Research Institute of the Supreme Court of Japan
London School of Economics and Political Science (LL.M., 2018)


Japan Legal Support Center, Kanoya Local Law Office (Kagoshima, 2012-2016)
Ministry of Foreign Affairs of Japan, Economic Affairs Bureau, Economic Partnership Division (Tokyo, 2016-2017)
Volterra Fietta, Public International Law Firm (London, 2018)
International Chamber of Commerce, Asia Office, Secretariat of International Court of Arbitration (Hong Kong, 2018)
Link Legal (New Delhi, 2019)


Japan Association of Arbitrators (JAA)
The European Union Studies Association- Japan
The Chartered Institute of Arbitrators (Member)


  • “Survey Report of Legal Systems in Major European Nations regarding the Use of Privacy Enhancing Technologies (PETs),” Personal Information Protection Commission(2023) [Co-author]

  • “Survey of Legal Systems in Major European Nations regarding the Use of Cameras with Face Recognition Functionality,” Personal Information Protection Commission (2022) [Co-author]

  • "Survey on Data Collaboration and Utilization of AI, etc. in the Healthcare Sector," the Cabinet Secretariat's National Strategy Office of Information and Communication Technology (Commissioned by Seed Planning, Inc., recommissioned to NTT Data Institute of Management Consulting, Inc. and Atsumi & Sakai) (June 2020) [Co-author]

Web Article


  • Moderator at a panel discussion entitled "Practice and Prospects of Human Rights Due Diligence in the World," at a seminar entitled "How to Implement Effective ESG Strategies? Global Trends and Practical Issues," co-hosted by the Japan Federation of Bar Associations and the International Bar Association, October 2, 2023
  • "Care to be Taken by Japanese Investors when Investing in India," hosted by Atsumi & Sakai and Dentons Link Legal, September 14, 2023
  • "Issues faced by a foreign party when undertaking M&A in Japan," hosted by Atsumi & Sakai and Smith, Gambrell & Russell, LLP, November 30, 2022

  • "One Aspect of Conflict between EU Law and Investment Arbitration Seen from the CJEU Ruling in Moldova v. Komstroy," at the 43rd Annual Conference, hosted by the European Union Studies Association-Japan, November 5 and 6, 2022 (held at Tokyo Keizai University)
  • "Recent State of Indian Economy: A Legal & Economic Overview," hosted by Atsumi & Sakai, sponsored by ICICI Securities Limited, ICICI Bank Limited, and FICCI Japan, October 28, 2021
  • Speaker at the presentation entitled "Introductory Remarks" and "Doing Business in India & Japan: Soft Skills," at the seminar entitled "Doing Business in India," hosted by Atsumi & Sakai, Link Legal India Law Service, June 28, 2019