Yaniss Guigoz is a geographer, specialized in Geographic Information Systems (GIS) and Spatial Data Infrastructures (SDI) at the UN Environment Programme/GRID-Geneva. He is also a lecturer in the GeoHealth group of the Institute of Global Health, and at the Institute for Environmental Sciences of the University of Geneva. After studying geography and specializing in GIS through a Certificate of Specialization in Geomatics, he completed in 2016 a PhD in Environmental Sciences with a focus on SDI at University of Geneva. His research experience focuses on geospatial support to thematics such as mountain environments, physical accessibility to health services and sand. He worked from 2000 to 2010 at the World Health Organization as a GIS analyst, focusing on the UN Second Administrative Level Boundaries standardisation project (SALB). He has also been working since 2005 at UN Environment/GRID-Geneva as GIS analyst and SDI specialist. Since 2013, he has been involved in teaching and research at the University of Geneva, focusing on the geographic aspects of environmental and humanitarian projects. He is currently leading the geospatial coordination of the UNEP World Environment Situation Room-Mountains, as well as of the “Strengthening the Climate Adaptation Capacities in the South Caucasus” Swiss-funded project. He is also working on the modeling of geographic accessibility to health services in several African countries as well as lecturing in several GIS courses at University of Geneva.