Since 2010, Senior Project Officer of the Energy-efficiency Unit of the European Commission's Executive Agency for Competitiveness and Innovation (EACI), which implements the EU's Intelligent Energy - Europe Programme and from 2006 - 2010, formerly Project Officer in the field of Energy-efficient Buildings in the same unit. From 2002 until 2005, Supervising Mechanical Engineer for the Olympic Village (Overlays) and Operations Site Manager of the Dekelia Training Complex, Organising Committee of the Athens 2004 Olympic Games. Between 1989 and 2001, variously at the Centre for Renewable Energy Sources (Passive Solar and Hybrid Systems Programme), the University of Athens (Group Building Environmental Studies), Trane Hellas Air-Conditioning and Lennox Hellas Heating-Cooling, in Greece, and Torpy and Partners - Consulting Engineers, United Kingdom. M.Sc in Energy Conservation and the Environment from Cranfield Institute of Technology, United Kingdom (1988-1989). B. Eng. in Aeronautical Engineering, Glasgow University (1984-1988).