2006-2009: Deputy Director of the Centre Marc Bloch, Berlin.

2000-2003 : Researcher CNRS at the Centre Marc Bloch, Berlin.

2000-2003 : Researcher CNRS at the Centre Marc Bloch, Berlin.

1993-94: Arthur Sachs Fellowship (Foundation A. Sachs), Tocqueville Fellowship (French American Foundation), and Harvard Club of France Fellowship (research at Harvard).

May 1993 and March 1990: Istituto Italiano per gli Studi Filosofici Fellowships (N. Luhmann's and P. Ricoeur's seminars, Naples).

1991-93: Deutscher Akademischer Austauschdienst Fellowship (research at Frankfurt University).

1990-91: European University Institute Fellowship (third year at the European University Institute, Florence).

1988-90: Lavoisier Fellowship, French Foreign Office (first two years at the Paris 8 University, Florence).