Fabien Brocheton has 22 years of experience on meteorological and air pollution modelling. He is the General Manager of NUMTECH and acts as its Technical Director. He was involved in more than 20 collaborative research projects (French or European) as project manager and expert for NUMTECH. He has a PhD in atmospheric chemistry modelling, and has work during 6 years at the National Reseach Center of Meteo France in air-quality team (especially working on MOCAGE atmospheric model, one of the current model used inside CAMS products of European COPERNICUS service) before to join NUMTECH. He is administrator of TERATEC association and of AXELERA French competitiveness cluster on chemistry and environment.