Gaëtan has appeared both as advocate and as arbitrator in a large number of both commercial and investment treaty arbitrations, with a particular focus on the oil & gas industry. His publicly reported engagements include the long-running case of Occidental Petroleum Corporation v Republic of Ecuador, which in 2012 yielded the largest ICSID award to date. An English Solicitor, French Avocat, and Spanish Abogado, he handles arbitrations in English, French and Spanish.
Gaëtan was appointed to the ICSID Panel of Arbitrators by the Kingdom of Belgium and he presently serves as the Chair of the IBA Subcommittee on Investment Arbitration and a Vice-Chair of the ABA International Arbitration Committee. He is a visiting lecturer at King’s College School of Law and the University of Barcelona Faculty of Law. Prior to entering private practice, Gaëtan served as a Legal Advisor at the World Trade Organization in Geneva, where he advised dispute settlement panels adjudicating disputes between sovereigns across a range of industry sectors.
Gaëtan received his LL.M. and J.S.D. degrees from Columbia University School of Law and his civil law degree (Lic. Jur.) from the University of Leuven Faculty of Laws. He also holds a postgraduate degree in international relations from the Johns Hopkins University Paul Nitze School of Advanced International Studies.
Gaëtan has been ranked as a leading international arbitration practitioner in all major publications, including Chambers UK, Chambers Global (Europe, Global and Latin America), PLC Which Lawyer (England), Legal 500 (UK), Legal 500 (Latin America), Who’s Who Legal, and GAR’s 45 under 45.
Columbia Law School, J.S.D., Belgian American Educational Foundation Fellow
Columbia Law School, LL.M., Herman Finkelstein Fellow
Johns Hopkins University School of Advanced International Studies, Graduate Diploma in International Relations