His research focuses on the methodology of cost effectiveness analayses, modeling of diseases/population health and the relation thereof with (non)medical consumption. He has extensive experience in economic evaluations of public health interventions, Markov modeling, uncertainty analyses and is the main developer of PAID (Practical Application to Include future Disease costs). Before working at iBMG/iMTA he was employed by the National Institute for Public Health and the Environment (RIVM) where he was project leader of the RIVM Chronic Disease Model.