Marc Souris is Senior Researcher at the Institut de Recherche pour le Développement (IRD), in the UMR 190 UVE AMU-IRD-INSERM "Unité des virus émergents". He holds a PhD in Computer Science and an HDR (Habilitation à diriger des Recherches). His work at IRD mainly concerns information sciences applied to geography and epidemiology. Since 1983, he has developed research, innovation, software, and teaching in geomatics: geographic information systems, spatial analysis, statistics, and modeling. He is the main author of the SavGIS GIS global software package (www.savgis.org). He worked in various fields with activities mainly focused on the problem of risk, whether "natural" or "health": epidemiology, health geography and environment, risk analysis, and prevention for natural disasters. He has also worked in the fields of urban planning, land use planning, geology, and archaeology. He has taught the foundations of geomatics and spatial analysis for epidemiology and geography of health at Université Paris Ouest-Nanterre La Défense, Rennes 2 University (France) and Asian Institute of Technology (Thailand). Marc Souris was, until August 2018, an IRD representative for Laos and Cambodia, based in Vientiane and Phnom Penh. He represented and promoted the Research Institute with local and international authorities and was in charge of prospective and development of scientific partnerships.