Professor at the College of Europe since 1993. Ph.D from Robert Schuman University of Strasbourg and aggregation in Law. Professor at the Law and political science faculty, Strasbourg (1992), Rector of Robert Schuman University of Strasbourg (1998). Associate professor at the University of Louvain-la-Neuve (1992/1996), and visiting professor at the University of Varsovia, Bucarest, Roma, Barcelona. His research interests include the European building, institutional problems, agricultural policy, and social and economic cohesion policy.