Professor of political sociology, Dept. of Political Science, Paris 8 University (since September 2002).

Associated Researcher, UMR Cultures and Urban Societies, CSU, CNRS/Paris 8 University (since September 2003).

Associated Researcher, University of Neuchatel, institute of Sociology, and University of Lausanne, Center for Political and International Studies (since June 2009).

Associated Researcher of the Centre Marc Bloch, Berlin, CNRS (since September 2009).

External Professor , Master « Participación y Desarrollo Comunitario », Universidad del Pais Vasco (UPV-EHU), Bilbao (since September 2007).