Marc is a former French diplomat who was seconded to the Geneva Centre of Security Policy from 2004 to 2013 and is now a staff member. He joined the French Ministry of Foreign Affairs in 1977, first at the Military Cooperation Division. In 1977-1978, he was Vice-Consul at the French Consulate-General in Leningrad (USSR). Back in Paris, he worked at the Directorate for Europe (Conference on Security and Cooperation in Europe -CSCE-) from 1979 to 1982. He was a member of the French Delegation to the CSCE Meeting in Madrid (1980-1982). In 1982-1983 he served as Chief of Staff of the Secretary-General of the Ministry of Foreign Affairs, before being appointed First Secretary at the French Embassy in Warsaw. In 1987-1988, he was the Secretary-General of the French Delegation to the CSCE Meeting in Vienna. In 1989-1993 he served as Second Counsellor at the French Delegation to the Conference on Disarmament in Geneva and a member of the French Delegation to the First Committee of the General Assembly of the United Nations in New York. From 1993 to 1996 he was the Head of the Information Department (and alternate spokesman) of the Foreign Ministry in Paris. In 1995-1996, he was a lecturer on arms control and disarmament for a post-graduate course at the Marne-la-Vallée University. In 1996, he was appointed Deputy Head of Mission at the French Embassy in Tel Aviv (Israel) where he joined the Team of Negotiators of the EU Special Envoy to the Middle East. He was transferred to Sydney as Consul-General for France in January, 2001, with jurisdiction over the whole of Australia. Marc holds degrees in English (With Merits) from the University of Cambridge, Great Britain (1974), as well as a Master’s Degree in International Law from the University of Aix-en-Provence, France (1975) and he is a Graduate of the Paris Institute of Political Studies (1977). He has published many articles, chapters and books on arms control and disarmament as well as on the Middle East and international humanitarian law. Within GMAP, Marc works on geopolitical issues. He is one of the contributors of the study « Out of the Cradle » on the anthropological background of future outer space exploration and settlements, conducted for NASA. With Valerie Fert, he carried out future-oriented analyses on the recognition of a Palestinian state and the Israeli social movement.