2009- : Researcher for CNRS at ENS Paris.
2009 (second semester): visitor at IAS Princeton.
2005-2009:  Researcher for CNRS at Nice University.
2005: visitor at ANU Canberra.
2004-2005: Visiting assistant professor at Purdue University.
2003-2004: ATER (teaching and research assistant) at Nantes University.
2000-2003: PhD thesis under the direction of Laurent Guillope. Defense on june 16, 2004.