He is an associate researcher at IRIS and his areas of expertise are Japanese defence policy and geostrategic issues in East Asia. He is also interested in the European Union, in particular the ESDP. He has also worked on European monetary integration.
A graduate of Sciences Po Paris in economics and the University of Paris IV Sorbonne in international relations, he has also been a journalist at Le Monde.fr since 2001.
He previously worked in publishing for history collections: Gallimard and Bréal.
He was a professor of economics in the Master of Iberian Studies and Latin America at the University of Paris IV Sorbonne.
From November 2007 to April 2008, he was co-rapporteur of the Europe group at the Ministry of Foreign Affairs in the framework of the elaboration of the White Paper on French foreign and European policy. He also worked from 1992 to 1994 at the Ukrainian ENA in Kiev, where he taught. He is the author of several books and numerous articles.