He was previously a consultant for the Development Research Group at the World Bank and a research fellow at the Harris School of Public Policy at the University of Chicago. His main domains of research are health equity and financing, behavioural economics, and choice modeling. His research agenda consists of determining how effective and cost-effective health care is, what the demand for it is, how it is financed, and how equitable its utilization is. He holds a PhD in econometrics and statistics from the University of Geneva with a specialization in health economics and policy.