Other activities



  • President, French Society for International Law (Société française pour le droit international) (2012 – )


  • Independant Objector of ICANN (Internet Corporation for Assigned Names and Numbers) concerning internationalized domain name (IDN) top-level domains (new gTLDs) (2012 – ).


  • Member, Scientific Advisory Board, AREVA (2012 – 2015)


  • Member, Sponsoring Committee, African Society of International Law


  • Legal Adviser, World Tourism Organization (UNWTO – Madrid) (1990 – 2016)


  • Numerous legal consultations on administrative law and international law at the request of various authorities in France and abroad (French and foreign Ministries of Foreign Affairs), public and semi-public bodies and international organizations (UNESCO and various other organizations; Federation of International Civil Servants Associations (FISCA), staff associations of several international organizations, United Nations University) and private companies.


  • Advocate before the Administrative Tribunal of I.L.O., Appeal Boards of O.E.C.D., the European Space Agency and the Counsil of Europe in numerous cases.


  • Amicus curiae before the International Criminal Tribunal for the former Yugoslavia (I.C.T.Y.), about the issue of “sub poena duces tecum” (Blaskic case).


  • Alternate member, Sub-Commission on Prevention of Discrimination and Protection of Minorities, United Nations Commission on Human Rights (1983 – 1991)


  • Associate Consultant, LYSIAS Advocates (Paris) (1993 – 2007)


  • Consultant-Expert to the Arbitration Commission of the International Conference on Yugoslavia (“Badinter Commission”) (1991 – 1993)


  • Rapporteur of the French Committee Jurists on the Creation of an International Criminal for Former Yugoslavia (“Truche Commission”) (1993)


  • Member of the French Delegation to the E.C.S.C. (Helsinki, 1992, Geneva, 1992)


  • Member, French Delegation at 46th, 51st, 56th et 61st sessions of the United Nations General Assembly (1991, 1996, 2001 et 2006).


  • Member of the French delegation at the GATT ministerial session (Geneva, 1982), at UNCTAD VI (Belgrade, 1983) and a number of sessions of the Trade and Development Board


  • Government expert at the UNESCO Congress on Education for Disarmament (June 1980). Report on “Disarmament in the teaching of international questions”. Consultant on the same subject (August 1981)


  • Adviser to the French Representative on the Working Group of Governmental Experts on the Right to Development, set by the United Nations Commission on Human Rights (1981)


  • President, Association for the study of external legal policies (POJUREX) (1987 – )


  • President, French Association for Disarmament Research and Studies (AFRED) (1979 – 1982)


  • From 1969 to 1975, served on the staff of an Advocate to the Council of State and the Court of Cassation (drafting written procedural documents for applications to the Council of State and to administrative tribunals)


  • Member, Honorary Council » of the International Law Students Association.