Fillieule serves as Senior Researcher at CNRS (Centre national de la recherche scientifique) (CRPS Paris I Sorbonne),[1] full-time Professor at the University of Lausanne, and Director of the Institute for Political and International Studies (IEPI).
In 1994, Fillieule and Nonna Mayer created the GERMM study and research group of the French Political Science Association.
In September 2002, Fillieule created the Research Center on Political Action of the University of Lausanne (CRAPUL).
The group's aim is to assist PhD students and young researchers through frequent workshops, symposia and conferences.
CRAPUL has grown ever since its creation in September 2002, especially regarding conferences, the launching of collective research projects and a new series in social sciences at a Swiss publisher.