Olivier Costa is Senior Research Fellow at the CNRS (at the Centre Emile Durkheim, University of Bordeaux). He is also Professor at the College of Europe since 2000 and Professor of political sciences at the Université Libre de Bruxelles and Sciences Po Paris. Author of many books, articles and editorial contributions dealing with European institutions and policies and parliaments. Responsible of the European studies section of the French association of political science (AFSP). Member of the editorial board of the Journal of European Integration.