History
| March 2002 | Graduated from Hitotsubashi University, Faculty of Law (LL.B.) |
| April 2002 - October 2003 | The Legal Training and Research Institute of the Supreme Court of Japan |
| October 2003 | Admitted to Japanese Bar (The Dai-ichi Tokyo Bar Association) |
| October 2003 | Momo-o, Matsuo & Namba |
| May 2008 | Master of Laws (LL.M.) at Boston University, School of Law |
| September 2008 - July 2009 | Quinn Emanuel Urquhart & Sullivan, LLP (Los Angeles) |
| February 2009 | Admitted to New York Bar |
| January 2012 | Became Partner of Momo-o, Matsuo & Namba |
Activities and others
Member, Japan Association of Arbitrators
President, Young Japan Association of Arbitrators (YJAA) (2015-2019)
Recognized as “Future Leaders – Partners” by “Who's Who Legal: Arbitration” (2017-2019, 2022)
Recognized by “Who's Who Legal: Japan (Arbitration)” (2021)
Recognized as “National Leaders” by “Who's Who Legal: Arbitration” (2020, 2022)
Candidate, Arbitrator, the Japan Commercial Arbitration Association (JCAA) (2019-Present)
Candidate, Sports Arbitrator and Mediator, Japan Sports Arbitration Agency (2017-Present)
Judge, Intercollegiate Negotiation Competition (2015-2022)
Chambers Global, “Dispute Resolution: Domestic - Japan” (2023) [currently, Band 4]
Chambers Asia Pacific, “Dispute Resolution: Domestic - Japan” (2023) [currently, Band 4]
Publications
《English Translation of Title Only. Language of Publication is Japanese》
- Column: International Arbitration—Preparations for Overseas Business Trouble (Vol. 11) Web Hearing (1)
NBL No. 1201 (September 1, 2021), p. 72. - Arbitrator's Non-Disclosure of Conflict of Interest and Setting Aside of the Arbitration Award – Decision of the Osaka High Court dated June 28, 2016
Co-author, NBL No. 1097 (2017.5.1), p. 39. - Special Topic: International Arbitration Information; Present Situation and Prospect of Arbitration in Japan
Co-author, The Lawyers (May 2015) - Textbook of International Arbitration
Co-author, Shinzan-sha (2015) - Encyclopedia of Practical Forms of Contract
Co-author, GYOSEI Corporation (1st Edition 2008, 2nd Edition 2014) - Court Assistance for Examination of Witnesses in Arbitration Proceedings
Co-author, JCA Journal, Vol.2006/12 (2006) - Information Management Practice for Corporations
Co-author, Shinnihon-Hoki Publishing (2005)
《English Publication》
- Enforcement of Judgments in Civil and Commercial Matters: Japan (The Legal 500 Country Comparative Guides)
Co-author, Legalease Ltd. (2023) - Mondaq International Arbitration Comparative Guide: Japan
Co-author, Mondaq Ltd. (2023) - The International Arbitration Review, 14th Edition: Japan (The Law Reviews series)
Co-author, Law Business Research Ltd. (2023) - Enforcement of Judgements 2021-2023 (Japan Chapter)
Co-author, Chambers and Partners (2021-2023) - Lexology Getting the Deal Through: Mediation 2020-2022 (Japan Chapter)
Co-author, Law Business Research Ltd. (2020-2022) - Lexology Getting the Deal Through—Practice Guide: Japan M&A (1st-3rd Edition) (Dispute Resolution in Japan chapter)
Co-author, Law Business Research Ltd. (2021-2023) - The Dispute Resolution Review, Eleventh-Thirteenth Edition
Co-author, Law Business Research Ltd. (2019-2021) - International Arbitration 2019-2020 (Japan Chapter)
Co-author, Chambers and Partners (2019-2020) - Getting the Deal Through - Legal Privilege & Professional Secrecy 2016-2021
Co-author, Law Business Research Ltd. (2016-2021) - GLI - Litigation & Dispute Resolution, Fourth-Fifth Edition
Co-author, Global Legal Group Ltd.（2015-2016） - The International Arbitration Review, Fourth Edition
Co-author, Law Business Research Ltd.（2013） - GLI - Litigation & Dispute Resolution, First Edition
Co-author, Global Legal Group Ltd. (2012)
News
The following Momo-o, Matsuo & Namba attorneys have been selected for inclusion in the 2025 Edition of The Best Lawyers in Japan, the highly regarded peer-review legal publication by Best Lawyers:
"Antitrust/Competition Law" Nobuaki Mukai
"Arbitration and Mediation" Junya Naito
"Corporate and Mergers and Acquisitions Law" Makoto Matsuo, Shuichi Namba and Junya Naito
"Corporate Governance and Compliance Practice" Yohei Yamada
"Insolvency and Reorganization Law" Shigeaki Momo-o and Junya Naito
"International Arbitration" Junya Naito and Tsuyoshi Suzuki
"Litigation" Junya Naito
"Private Equity, Private Funds and Venture Capital Law" Shuichi Namba
Momo-o, Matsuo & Namba has been ranked in Band 2, Junya Naito in Band 1, and Tsuyoshi Suzuki in Band 4, in the practice area of "Dispute Resolution: Domestic Japan" in "Chambers Global 2024" by Chambers and Partners.
Momo-o, Matsuo & Namba and the following attorneys have been ranked in "Chambers Asia-Pacific 2024" by Chambers & Partners:
Competition/Antitrust (Japan): Nobuaki Mukai
Dispute Resolution: Domestic (Japan): Junya Naito and Tsuyoshi Suzuki
Momo-o, Matsuo & Namba and its attorneys have been recognized in the following practice areas by "Who's Who Legal 2023" published by Lexology:
Arbitration
Junya Naito (Japan and Global: Recommended)
Tsuyoshi Suzuki (Japan: Recommended and Global Arbitration Future Leader)
Business Crime Defense & Investigations
Rin Moriguchi (Japan: Recommended)
Commercial Mediation
Junya Naito (Japan and Global: Recommended)
Competition
Nobuaki Mukai (Japan and Global: Recommended)
Government Contracts
Nobuaki Mukai (Japan: Recommended)
Junya Naito, Tsuyoshi Suzuki, Motomu Wake and Sho Tanaka have co-authored the Japan chapter (Trends and Developments) of the recently published practice guide to Enforcement of Judgements 2023 by Chambers and Partners.