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Tony Andriotis

Partner
Tony Andriotis combines deep knowledge of arbitration procedure with a practical, commercially-minded approach that clients truly value.
— Client, Dispute Resolution, Chambers Asia Pacific, 2026
Tokyo
About
Tony Andriotis leads the international arbitration team in Tokyo. He has extensive experience in international dispute resolution and, over nearly two decades of practice, has regularly represented Japanese clients in high-value, complex cross-border disputes, including mediations and arbitrations conducted under the rules of leading international institutions. His practice also encompasses complex litigation, internal investigations, international regulatory matters, and cross-border insolvency.

In addition to his counsel work, Tony sits as an arbitrator and mediator, including appointments through the JCAA, ICC, and HKIAC. He brings a dual perspective to disputes, combining strategic advocacy with a practical, decision-maker’s approach.

Tony has lived in Japan for over a decade and is deeply embedded in the regional disputes and business community. He serves as the Professional & Institutional Relations Officer for the Japan Commercial Arbitration Association and is a Board Member of the Japan Association of Arbitrators and the European Business Council in Japan.

Tony frequently serves as a U.S. government expert on dispute resolution, working with ministries, courts, and arbitration institutions across Asia on capacity-building and legal reform initiatives.

He is also an Adjunct Professor and Lecturer at leading institutions throughout Asia, where he teaches and speaks on arbitration, mediation, and cross-border dispute resolution. He is widely recognized for bridging Japanese, U.S., and broader international legal frameworks.
Areas of FocusRegulatory and Government AffairsLitigation, Arbitration and InvestigationsConstruction and EngineeringInternational Arbitration
Professional QualificationsAttorney-at-law admitted with the Supreme Court of New York

EXPERIENCE

  • Represented a Japanese private equity fund in regards to a contractual dispute with an Australian logistics company.
  • Represented the Japanese subsidiary of a European pharmaceutical company in a dispute with another pharmaceutical company.
  • Represented a Japanese metals company in a corporate governance dispute with a South-East Asia based joint-venture partner.
  • Represented a Japanese trading company in a contractual dispute with a US-based military hardware manufacturer.
  • Represented Japanese auto-parts and capacitor manufacturers, and a major Japanese bank in regards to international regulatory and criminal investigations.
  • Represented a major Japanese trading company in an FCPA case and frequently represented Japanese industrials in international trade matters.
  • Worked on the Enron and Lehman Brother bankruptcies.
  • Represented major international Pharmaceutical companies in regards to both class-action product liability cases and contractual disputes.
  • Represented Japanese clients in U.S.-related disputes, including New York–seated proceedings and matters involving U.S. law.
  • Acted in multiple international arbitrations involving technology, manufacturing, and financial services sectors, including disputes arising out of cross-border joint ventures and distribution arrangements.
  • Advised on internal investigations involving allegations of fraud, regulatory breaches, and compliance failures across Asia, often involving parallel civil, criminal, and regulatory exposure.
  • Regularly advises Japanese companies on dispute avoidance, contract structuring, and risk allocation in cross-border transactions.
  • Works closely with government stakeholders and institutions across Asia in connection with dispute resolution frameworks, providing a unique policy-level perspective to complex disputes.
Languages
  • English
  • Japanese
  • Greek

Awards

  • Ranked in Band 4, Chambers Asia Pacific (2026)
  • Dispute Resolution: International, Japan, Chambers Global (2023-2026)
  • Recommended Lawyer, Japan - Arbitration, Who’s Who Legal (2021-2024)
Education
  • Fordham University School of Law, J.D., 2003
  • Cornell University, B.A., 1995

Publications

  • Quoted "State of the Market 2023", Asian Legal Business, December 2023
  • Quoted "Arbitration Ambitions", Asian Legal Business, October 2023
  • Japan's arbitration landscape, five years on, Co-author with Yoko Maeda, David MacArthur, Yoshie Midorikawa, Michael Mroczek, Global Arbitration Review, 19 June, 2023
  • In Recap: ICC Asia-Pacific Conference on International Arbitration, Part 2 (2022), Kluwer Arbitration Blog, Co-author with Anran Zhang (ICC)
  • Cooperating on Disputes-Moving towards a Stronger Cooperative Foundation for the Settlement of Disputes in Asia, Co-author with Giorgio Fabio Colombo, David MacArthur, Masako Miyatake, Michael Mroczek,Shiori Sato, Julia Jiyeon Yu, Japan Commercial Arbitration Journal VOL. 1 (2020)
  • Interview and Feature, The Japan Times, 24 July 2018
  • Thoughts on necessary change in Japan, Co-author, with Yoshimasa Furuta, Yuki Sakioka, and Michael Mroczek, Global Arbitration Review, 23 May 2018
  • Settling Direct Disputes with Sovereigns: Striving for Transparency in the Settlement of Public-Private Partnership Disputes, Co-author, with Joao Ribeiro-Bidaoui, Soo-Hyun Lee and Jean-Isamu Taguchi, Journal of International Business and Law: Vol. 17: Iss. 2, Article 3 (2018)
  • Need for clarity: Where has international arbitration failed?, Co-author, with João Ribeiro, Soo-Hyun Lee and Jean-Isamu Taguchi, Asia Business Law Journal: Vol 1.: Iss. 6 (2017)
  • When You Can’t Beat Them, Enjoin Them—Injunctive Relief for SEP Infringement, Co-author, with Hitomi Iwase and Paul Dimitriadis, Bloomberg BNA - International Trade Daily Bulletin: Vol. 14, Iss. 187 (2014)
  • Japan's New Financial ADR System, Co-author, with Masako Miyatake, Bloomberg Law Reports - Alternative Dispute Resolution: Vol. 1: Iss. 2 (2010)

Seminars

  • Cross-Border Investigations and Disputes Masterclass, 17 October 2023
  • Building bridges in global procurement and beyond, 01 January 0001
  • Presenter, Study session: “Accentuating the positive: How to move past the closure of the JIDRC through cooperation,” 2nd International Arbitration Committee, Dai-ichi Tokyo Bar Association, 30 June 2023
  • Panelist, 1st Grand Panel: “Enforcement of Awards - Regional Updates in 2023,” Thailand & SE Asia: 4th Annual International Arbitration & Corporate Crime Summit, 8 June 2023
  • Speaker, Session 2: “International Arbitration in Asia – Arbitration Institutions’ Discussions,” Conference on Getting ready for Breakthroughs in International Arbitration in Vietnam, 12 May 2023
  • Speaker, “The Role of Arbitral Institutions in Creating Common Practices,” UNCITRAL Asia Pacific Day 2022, The Role of Arbitration in Legal Harmonization. An East Asian Perspective, 13 December 2022
  • Speaker, “Recent Innovations in Arbitration,” The JCAA’s 69th Anniversary Event, Nurturing Innovations in Arbitration in Japan, 18 November 2022
  • Moderator, Japan International Dispute Resolution Center Tour & Arbitration Talk, 8 September 2022
  • Speaker, “Institutional Tools and Practices for MSMEs in International Arbitration: A Global Approach,” UNCITRAL Asia Pacific Day 2021, Bringing Arbitration to MSMEs, 15 December 2021
  • Joint Webinar with FRONTEO on Technology and Analytics in Cross-Border E-Discovery, 17 June 2021
  • Moderator, FTI Consulting, Japan Commercial Arbitration Association and Roppongi Bar Association's panel: ADR in Japan: On the Cusp of Statutory, Technological and Cultural Change, 11 March 2021
  • Panelist and organizer, Roppongi Bar Association’s Panel on Alternative Dispute Resolution, Thomson Reuters Tokyo, 18 July 2018

Prior Experience

  • 2019-2020, Partner, Tokyo office of US based international law firm
  • 2007-2019, Counsel and Associate, New York and Tokyo offices of US based international law firm, inclusive of a multi-year secondment to a Japan based international law firm
  • 2005-2007, Clerk for a Senior Judge at the United States Court of International Trade

    Additional Information

    • Adjunct Professor at Temple University Law School, Tokyo Campus (Arbitration, Cross-Border Litigation); Part-Time Lecturer at Keio University School of Law, Tokyo (Arbitration, Case Studies in International Law); Humboldt University, Berlin (International Disputes & Regulatory Law).

    Memberships And Affiliations

    • Registered foreign lawyer in Japan
    • Dai-ichi Tokyo Bar Association
    • New York State Bar Association, United States
    • Founding president, Greek Chamber of Commerce in Japan
    • Member of the Board of Governors, European Business Council in Japan
    • Board member, Hellenic Lawyers Association
    • Professional and Institutional Relations Officer, Japan Commercial Arbitration Association
    • Board member, Japan Association of Arbitrators
    • Advisory Board member, Japan International Dispute Resolution Center
    • Member, Rotary Club International (Roppongi Branch)

    My latest insights

    Past event

    Cross-Border Investigations and Disputes Masterclass

    17 October 2023 .2 minute read

    News

    DLA Piper strengthens North Asia Arbitration offer with new partner hire

    13 January 2021 .2 minute read

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    Connect

    Phone

    +81 3 4550 0122
    (Work, Tokyo)