His main fields of expertise are health geography and geomatics. Having strong experience in GIS, geovisualization, and collaborative mapping, he is teaching on environmental health and health policy issues. His recent research themes include the analysis of inequalities in the access to health services in India, the spatial diffusion of dengue epidemics in Delhi and Bangkok. He has been an expert for the World Bank and France's National Center of Expertise on Vectors (CNEV). He holds a Ph.D. in geography from the University of Rouen and a M.Phil. in health geography from the University of Paris Nanterre University.