Nicolas Sifakis obtained his Diploma in Land Surveying and Rural Engineering at the National Technical University of Athens (1986). He holds a MEng. in Remote Sensing (1987, UPMC-Paris), a MSc. in Environmental Physics (1988), and a DSc. in Environmental Remote Sensing (1992, Paris-Diderot University).
Between 1987 and 1991 he worked as a lecturer-researcher at the Organisation for the Development of Aerospace Remote Sensing (Toulouse), at the agency "Glossima", at the University Paris-Diderot and at the School of Advanced Studies in Social Sciences (Paris). From 1991 to 1994 he worked in the European Commission, European Environment Agency-TF (Brussels) as Coordinator for the CORINE Land Cover inventory. In 1994-1995, he was Visiting Scientist at the European Commission Joint Research Centre (Ispra). From 1995 until 1998, he worked as freelance environmental consultant and was Advisor to the Hellenic Space Research and Technology Committee. In 1998, he was elected Assistant Researcher at the former Institute for Space Applications and Remote Sensing at the National Observatory of Athens and in 2001 was Visiting Scientist to GSFC NASA (Maryland). In 2002, he was promoted to Associate Researcher and in 2006 to Senior Researcher. Since 2012, he holds the rank of Research Director at the Institute for Astronomy, Astrophysics, Space Applications and Remote. Since 2013, he is Seconded National Expert at the ERCEA (Brussels).
Air pollution monitoring and associated health indicators (Pioneer mapping of air pollution by satellite).Nature protection and conservation of biodiversity (Using satellites for protecting the European Nature). Assistance in crisis management of natural disasters (Satellite system for managing forest fires). Wildfire impact assessment (High accuracy mapping of areas burnt by wildfires in Greece).