Since 2016: Special Counsel for International Relations, Paris Municipality

Since 2015 : Research Fellow, The George Washington University, Institute for European, Russsian and Eurasian Studies (IERES), The Elliott School of International Affairs, Washington, D.C.

Since 2013: Director, Observatoire des Radicalités Politiques (ORAP), Fondation Jean Jaurès, Paris

Since May 2006
    Associate researcher, IRIS
    Research in the field of  Political and Religious Extremism; Minority Rights   
    IRIS, 2 bis rue Mercoeur, F-75011 Paris
    Academic research in International relations

    1996-2006
    Director of Research and Publications
    Research in the field of Racism; Anti-Semitism; Xenophobia; Political Extremism
    Centre européen de recherches sur le racisme et l'antisémitisme (CERA) / Paris
    Politics and sociology