International Bar Association (IBA – Co-Chair of the Arbitration Committee 2012-2013); ICC International Court of Arbitration (Vice-President ); LCIA Court Member; ICC Institute of World Business Law (Vice-President); Institute for Transnational Arbitration, Dallas (Advisory Board); International Union of Lawyers (UIA); International Law Association (ILA) Arbitration Commission; Unidroit; Grupo Latino Americano de Arbitraje (ICC); International Arbitration Institute; ICC French National Committee (panel of arbitrators, member of the Board); Centre de Médiation et d’Arbitrage de Paris (panel of arbitrators); Arbitral Chamber of Paris (panel of Arbitrators); Comité Français de l’Arbitrage; Association Française d’Arbitrage; Camara de Arbitraje de Madrid (panel of arbitrators); Camera arbitrale nazionale ed internazionale di Milano (Member of the Arbitration Council 2006-2014; Member of the Club of arbitrators); Dubai International Arbitration Centre (panel of arbitrators); Cairo Regional Centre for International Commercial Arbitration (Panel of arbitrators); Club Español del Arbitraje; Associazione Italiana per l’Arbitrato (AIA); Association Andrés Bello des juristes franco-latino-américains; Société de Législation Comparée (France); Swiss Arbitration Association; International Centre for Dispute Resolution (AAA, panel of arbitrators); London Court of International Arbitration (European Users’ Council, Counsellor); Cepani; Arbitration Court Attached to the Economic Chamber of the Czech Republic (Panel of arbitrators); Court of International Arbitration attached to the Chamber of Commerce and Industry of Romania (list of foreign arbitrators); Venezuelan Arbitration Committee (Advisory Council); Brazilian Arbitration Committee; CIETAC (Panel of arbitrators); Korean Commercial Arbitration Board (Panel of Arbitrators); AMCHAM Peru (Panel of Arbitrators); Beijing Arbitration Commission (Panel of arbitrators); Indian Council of Arbitration (Panel of arbitrators); Federation of Indian Chambers of Commerce and Industry (arbitration and conciliation tribunal – Panel of arbitrators); WIPO (panel of arbitrators); Arbitration Center of the Portuguese Chamber of Commerce (Panel of Arbitrators); Singapore International Arbitration Centre (SIAC - Panel of Arbitrators); Hong Kong International Arbitration Center (HKIAC - Panel of Arbitrators); Kuala Lumpur Regional Centre for Arbitration (KLRCA - Panel of Arbitrators); Panel of Arbitrators, Driver Contract Recognition Board (CRB - Fédération Internationale de l’Automobile, FIA); International Academy of Construction Lawyers.