International Arbitrator

Emeritus Professor of the Sorbonne University (Paris I)

French-qualified lawyer

Professor Pierre Mayer acts as arbitrator or counsel in commercial and investment treaty-based proceedings under a variety of ad hoc or institutional arbitration rules.


His experience spans a variety of sectors (including energy, transport, telecommunications, projects, M&A, etc.) and all forms of contracts.

He is one of the most highly regarded arbitration practitioners in France (Who's Who Legal Arbitration in France 2018) and is routinely acclaimed as one of the best arbitrators in the world. 

Qualifications & Academic activities

  • Doctor of Private Law (1971) ; Agrégé in private law (1971)

  • Professor at the University of Paris I (Panthéon-Sorbonne) from 1984 to 2012

  • Emeritus Professor of the University of Paris I (Panthéon-Sorbonne) since 2012

  • Professor at the University of Paris X (Nanterre) from 1974 to 1984

  • Doctor honoris Causa, University of Liège and University of Athens

  • Member of the Paris bar (1964-1974 and since 1980)

Professional activities

  • former president of the International Academy for Arbitration Law

  • member and former president of the Comité français de droit international privé

  • member of the Council of the ICC Institute of World Business Law

  • member of the Board of the Comité français de l’arbitrage

  • member of the Institut de droit international

  • former president of the Committee on International Commercial Arbitration of the International Law Association

  • Former President of the Committee on Private International Law of the International Union of Lawyers (UIA)

Former practice

  • Coudert Brothers (1984-2004)

  • Clifford Chance (2004-2007)

  • Dechert (2007-2015) 



Working languages

  • French

  • English