Chambers Review
Provided by Chambers

Email address
[email protected]Contact number
+81 3 6250 6277Share profile
Senior Statespeople
Provided by Hiroyuki Tezuka
International Arbitration
International Litigation
Alternative Dispute Resolution
Corporate Disputes
Securities Litigation/Disputes Related to Financial Products
IP Litigation
PL Litigation
Insurance Related Disputes
Investor-State Dispute Settlement
Partner, Nishimura & Asahi (Gaikokuho Kyodo Jigyo)
Admitted: Japan, 1986; New York, 1993.
・"Rise of Hybrid Arbitration/Mediation in the Era of the Singapore Mediation Convention," International Arbitration: When East Meets West - Liber Amicorum Michael Moser, Kluwer Law International, 2020
・"Exploring the future of commercial dispute resolution in Asia: Accelerating efficiency and effectiveness in ADR," Asian Journal of Law and Society, Cambridge University Press, 2022
・"Japan" (chapter), Post-award Interest in the Asia-Pacific, Kluwer Law International, 2023
・"Arbitrability of International IP Disputes," The Guide to IP Arbitration – Third Edition, Global Arbitration Review, Law Business Research, 2024
Hiroyuki heads the international dispute resolution practice of Nishimura & Asahi. He specializes in international commercial litigation, arbitration, and mediation, and has represented many international clients, including multinational manufacturers, banking and securities firms, insurance companies, and information media companies, in disputes involving M&A, antitrust laws, corporate governance, insurance laws, intellectual property, defamation, joint ventures, licensing, construction, and other commercial matters, as well as international bankruptcy proceedings. He has been involved in a number of international arbitrations as counsel, sole arbitrator, and co-arbitrator (including chair) before the ICC, JCAA, AAA-ICDR, VIAC, KCAB, and SIAC.
Hiroyuki serves as Vice President of the Japan Association of Arbitrators and as Chief Director of the Japan International Mediation Center in Kyoto; formerly, he served as the Vice Chair of the Arbitration Committee of the IBA Legal Practice Division, and as Co-Chair of the Dispute Resolution and Arbitration Committee at the IPBA (2016 - 2020). From 2013 to 2016, he taught international arbitration and international dispute resolution at the University of Tokyo, School of Law as a visiting professor. He also served as a member of the International Court of Arbitration of the ICC (second term, through June 2024), a Council Member of the ICC Institute of World Business Law (ongoing, since 2018), and a member of the Court of Arbitration of the SIAC (2013 - 2024).
2023- Chief Director, Japan International Mediation Center in Kyoto (JIMC-Kyoto)
2021-2022 Deputy Chief Director, JIMC-Kyoto
2021- Vice President, Japan Association of Arbitrators (JAA)
2020- Member, Task Force on “ADR and Arbitration” of the ICC Commission on Arbitration and ADR, International Chamber of Commerce (ICC)
2018-2024 Member, International Court of Arbitration of the ICC
2018- Council Member, ICC Institute of World Business Law
2016- Fellow, Chartered Institute of Arbitrators (FCIArb)
2013- 2024 Member, SIAC Court of Arbitration, Singapore International Arbitration Centre (SIAC)
2013-2016 Visiting Professor (International Commercial Arbitration), University of Tokyo, School of Law
Japanese and English
Japan’s Top 100 Lawyers 2024
Asia Business Law Journal - The A-List
2024
Litigation Star
Benchmark Litigation Asia-Pacific 2024
2024
Dispute Resolution - Leading Individual
Chambers Global 2024
2024
Global Guide 2024 - Arbitration and Commercial Litigation
Lexology Index (formerly Who's Who Legal)
2024
Dispute Resolution - Leading Individual
Chambers Asia-Pacific 2025
2025
Dispute Resolution - Hall of Fame
Legal 500 Asia Pacific 2025
2025
Harvard Law School
LL.M.
1992
The University of Tokyo
LL.B.
1984
Provided by Chambers