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Celestial Ceiling Mural, Grand Central Terminal, New York

Richard L. Mattiaccio, FCIArb, C. Arb

Independent Arbitrator and Mediator


Chartered Arbitrator

Fellow, Chartered Institute of Arbitrators

Fellow, College of Commercial Arbitrators


745 5th Ave, Suite 500

New York, NY 10151

Mobile: +1.646.413.2832

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About Richard Mattiaccio

Richard Mattiaccio is a full-time arbitrator and mediator with an active practice and has served as chair, sole arbitrator and co-arbitrator in well over 100 complex cases since he began to keep track in CY 2000, and he has issued over 50 reasoned awards. His experience has included domestic and international, commercial, intellectual property, corporate energy, life sciences, aerospace, and employment cases conducted in New York, London and Toronto under AAA/ICDR, ICC and CPR Rules, and ad hoc arbitration including recent service as tribunal president in an international ad hoc oil and gas arbitration seated in Houston.


Richard is a Chartered Arbitrator and Fellow of the Chartered Institute of Arbitrators, Fellow of the College of Commercial Arbitrators, and NADN Distinguished Neutral.  He brings to cases a nuanced and practical approach to dispute resolution. He teaches International Commercial Arbitration at Fordham Law School and has acted since 2017 as Co-Director of the one-week Columbia Law School – CIArb NY Branch Comprehensive Course on International Arbitration.


Richard has been serving in thought leadership roles in the New York arbitration community for over a decade, including as Chair of the New York City Bar Association International Commercial Disputes Committee (ICDC), Chair of the CIArb New York Branch, Co-Chair of the inaugural, 2019 New York Arbitration Week (NYAW), and as a founding director, Executive Committee member and Vice-Chair of the New York International Arbitration Center (NYIAC).  

Richard has over three decades of experience as a Big Law and boutique law firm partner in counsel in complex commercial, intellectual property, shareholder/partner, and executive employment disputes in U.S. domestic and international arbitration and in cross-border litigation in federal and state courts.

Practice Areas & Services


Arbitrator and Mediator Service

  • Commercial Contracts

  • Corporate Transactions

  • Licensing, Franchise, Dealer, Agency Agreements

  • Aerospace and Defense

  • Energy

  • Life Sciences

  • Closely-held Corporations

  • Limited Liability Companies

  • Professional Partnerships

  • Executive Employment

Practice Areas & Services

Arbitration Panels and Rules


    • Commercial Panel: Large and Complex Cases

    • International Panel

  • CPR Panel of Distinguished Neutrals

  • ICC Arbitration Rules Cases

  • Ad Hoc Arbitration Rules

  • Ad Hoc Mediation

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