Registration in Japan
Registered Foreign Lawyer (The Laws of England & Wales) (2016)
* Atsumi & Sakai is not regulated by the Solicitors Regulation Authority for England and Wales.
Admitted
Solicitor admitted in England & Wales (2013)
Bar Association
Tokyo Bar Association
Education
University of Cambridge (LL.B., 2009)
Utrecht University (Law, 2008)
The University of Law (LPC, 2010)
University of Cambridge (Master of Arts, 2012)
Background
Ashurst, London and Tokyo (March 2011-December 2022)
Secondment with Mitsui & Co., Ltd. (January 2017-August 2019)
Publications
- “Japan: Trends & Developments,” Chambers Global Practice Guides - Securitisation 2025, Chambers and Partners (2025) [Co-author]
- “Lawyers Guide 2024,” Lexis Nexis and Business & Law LLC (January 2024) [Interview]
Web Articles
- “AI and Patents: Key Considerations (Japan),” Practical Law, Thomson Reuters (November, 2025) [Co-author]
- “Lending to a Company Incorporated in Japan: Signing and Closing a Corporate Loan Transaction,” Practical Law, Thomson Reuters (July, 2025) [Co-author]
- “JAPAN: An Introduction to Projects and Energy: Domestic,” Chambers and Partners (2024) [Co-author]
- “Lending to a Company in Japan: Regulatory Issues,” Practical Law, Thomson Reuters (December, 2023) [Co-author]
- “Lending to a Company in Japan: Structuring the Transaction,” Practical Law, Thomson Reuters (August, 2023) [Co-author]
- “JAPAN: An Introduction to Construction,” Chambers and Partners (2023) [Co-author]
- “JAPAN: An Introduction to Projects & Energy: Domestic,” Chambers and Partners (2023) [Co-author]
Newsletters
- “Construction Business Licenses and Construction Contracts in Japan” (October 29, 2025) [Co-author]
- “Updates on the Hydrogen Society Promotion Bill and CCS Business Bill (April 2024)” (April 2024) [Co-author]
- “Generation wheeling charge system” (February 2024) [Co-author]
- “Overview of the various private fund schemes for real estate investment in Japan” (February 2024) [Co-author]
- “Latest CCS Commercialization Trends in Japan” (November 2023) [Co-author]
- “Revisions to the Basic Hydrogen Strategy” (October 2023) [Co-author]
- “Battery Storage Subsidies in Japan” (February 2023) [Co-author]
- “Trends in Offshore Wind Power Generation in Japan” (February 2023) [Co-author]
Seminars
- “Approaches to effective communication and collaboration between in-house legal counsel and private practice lawyers,” at the ALB Japan In-House Legal Summit 2025, hosted by Asian Legal Business, April 17, 2025
- Speaker at a panel session entitled “Navigating the cybercrime landscape for GCs” at the GC Summit Japan 2024, hosted by The Legal 500, October 3, 2024
- Speaker at a panel session entitled “The importance of supply chain and human rights due diligence” at the GC Summit Japan 2023, hosted by The Legal 500, September 28, 2023
- ALB Japan Law Awards 2025
- Finalist – Foreign Lawyer of the Year
- ALB Japan Law Awards 2024
- Finalist – Foreign Lawyer of the Year