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手塚 裕之 Hiroyuki TEZUKA

手塚 裕之
手塚 裕之

Hiroyuki TEZUKA

  • Partner
  • Tokyo

  • Hiroyuki Tezuka has a distinguished reputation in the international arbitration sphere. Sources confirm he is ""one of the best lawyers in Japan"" and ""an expert in international arbitration."" He offers over three decades of experience advising clients on large-scale arbitrations arising out of projects and commercial agreements.

    Chambers Global 2022, Dispute Resolution: Domestic - Japan (Band 1)

Hiroyuki, a leading figure in international litigation and arbitration, has handled a variety of cases including M&A, licensing, and construction disputes, as well as intellectual property disputes as counsel and as an arbitrator.

Hiroyuki heads our international dispute resolution practice. He specializes in international commercial litigation, arbitration, and mediation. He has represented many international clients, including multi-national manufacturers, banking and securities firms, insurance companies, and news media 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. 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, was Vice Chair of the Arbitration Committee of the IBA Legal Practice Division, and was Co-Chair of the Dispute Resolution and Arbitration Committee at the IPBA from 2016 to 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 (with his second term ending in June 2024), and has been a Council Member of the ICC Institute of World Business Law since 2018. In addition, he has been a member of SIAC’s Court of Arbitration since 2013.

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Education

1992
Harvard Law School (LL.M.)
1984
The University of Tokyo (LL.B.)

Professional Experience

Chief Director, Japan International Mediation Center in Kyoto (JIMC-Kyoto)
Deputy Chief Director, Japan International Mediation Center in Kyoto (JIMC-Kyoto) 
Vice President, The Japan Association of Arbitrators  
Council Member, ICC Institute of World Business Law 
Member of the International Court of Arbitration of the ICC 
Alternate member of the International Court of Arbitration of the ICC  
Fellow of the Chartered Institute of Arbitrators (FCIArb) 
Executive Director, The Japan Association of Arbitrators 
SIAC's panel of arbitrators for Intellectual Property disputes, Singapore International Arbitration Centre (SIAC) 
Visiting Professor (International Commercial Arbitration), School of Law at the University of Tokyo 
Member of SIAC's Court of Arbitration, Singapore International Arbitration Centre (SIAC) 
Arbitrator of the Vietnam International Arbitration Centre 
Lecturer, Keio Law School 
Certified arbitrator of CAA, The Chinese Arbitration Association,Taipei 
Auditor of the Board, MS&AD Insurance Group Holdings, Inc. 
Arbitrator on the Panel of Arbitrators, The Korean Commercial Arbitration Board (KCAB)  
Examiner, The Japanese Bar Examination (Commercial Law) 
Member, IBA Arbitration Committee, The Rules of Evidence Subcommittee 
Arbitrator, The Japan Commercial Arbitration Association 
Lecturer, Sophia Law School 
Special member, The Legislative Council of the Ministry of Justice on legislation of international jurisdiction rules 
Outside Statutory Auditor, Showa Denko K.K. 
Director, The Japan Association of Arbitrators 
Outside Corporate Auditor, Nissay Dowa General Insurance Co., Ltd. 
Vice-Chair, International Bar Association, Legal Practice Division, Arbitration Committee  
Inter-Pacific Bar Association, Committee Vice-Chairperson, Dispute Resolution and Arbitration  
Special Member of the Financial System Council (Member of the Working Group on Reform of TOB System)  
Secretary, International Bar Association, Legal Practice Division, Arbitration Committee  
Coordinator of the Legislative Council of the Ministry of Justice (Modernization of Private International Law)  
Cleary Gottlieb Steen & Hamilton LLP, New York