Holds a joint appointment as Professor of Health Economics at the Erasmus School of Health Policy and Management  and at the Department of Applied Economics of the Erasmus School of Economics, both at Erasmus University Rotterdam. He also is a Research Fellow of the Tinbergen Institute. He obtained an MSc in Economics at the University of Antwerp (B), an MSc in Health Economics at the University of York (UK), and a PhD in Economics at the University of Maastricht (NL). He is an Associate Editor of Health Economics (Wiley), of Population Health Metrics (Biomed Central). He was the Programme Director of the MSc in Health Economics offered by the Erasmus University 2003-2010. He has also acted as a health economics consultant to the World Bank, WHO and UNICEF.