Analyst of international and security issues, former head of department at the Commissariat Général du Plan, guest professor at Sciences-Po Paris, author of three official reports to the government and 22 books, including Quand la France disparaît du monde (Grasset, 2008), Le Monde à l’horizon 2030. La règle et le désordre (Perrin, 2011) and, with R. Jahanbegloo, Resisting Despair in Confrontational Times (Har-Anand, 2019).