Professor of Sociology, Politics and Public Policy, Bristol University

Emeritus Vrije Universiteit, Brussels VUB

GP & Professor of Primary Care, University of Nottingham

General Practitoner

professeur de sociologie, Université Libre de Bruxelles

Professor of Political Science, University of Bamberg

Arizona State University

Associate Professor, University of Amsterdam

Professor integration and migration

Université Libre de Bruxelles