During two decades he led several projects related to natural resources monitoring, environmental modeling, desertification, food security and Desert Locust habitat monitoring for the Food and Agriculture Organization of the United Nations (FAO).

Since 2004 he works at the Joint Research Centre of the European Commission (EC) where he is coordinating the global land component of the Copernicus Land service. This service operationalizes production of space-based earth observation bio-geophysical parameters and facilitates the use of derived products for global land monitoring. He is also leading the Land Degradation activities providing scientific support to the EC and UNCCD, and its stakeholders, on land degradation issues. He is the coordinator and main author of the new World Atlas of Desertification published end of last year.

He is geographer and soil scientist from the University of Ghent, Belgium and has built up a solid experience in remote sensing.