He is also the general director of this institute with 30 staff members. He is affiliated to Tilburg University since June, 1996. Previously, he was an assistant-professor at Erasmus University Rotterdam (1992-1996) and Utrecht University (1988-1992). After his graduation in philosophy in early 1985 and before his studies in Leuven in the fall of that same year, Utrecht University appointed him as a research assistant on a short-term project located at the Universit� Catholique de Louvain, Louvain-la-Neuve. At Utrecht University, during his studies, he had had several appointments as a student-assistant.