Orestis Speyer, M.Sc., is a member of the Impact Working Group of the EO Toolkit. He studied Physics at NKUA and graduated in 2005. Holds a M.Sc. degree in Environmental Physics (2008) in the Physics dept. of the same University. During 2009-2014 he worked as junior/senior IT in the private sector. He has since worked at the National Observatory of Athens in the Institute of Environmental Research and Sustainable Development (APCG Group) under several projects. His duties include pursuing exploitation options for the Group’s scientific tools/products and assisting in its science-policy interface. He is the SDG contact person of the Greek GEO office which is hosted by the Observatory.