Professor at the University Paris Ouest, Nanterre/La Défense
Former member and former Chairperson
of the International Law Commission
of the United Nations
President of the French Society
for International Law
Designated to the Panel of Arbitrators of the ICSID by the Chairman of the Administrative Council
Associate Member of the Institute of International Law
Independent Objector (Internet Corporation for Assigned Names and Numbers - ICANN)
Author of numerous books and articles in international law, he has advised many governments (amongst which the French government), has been or is counsel and advocate in more than 40 cases before the International Court of Justice and in various international or transnational arbitrations, in particular pertaining to investments.