Dimitris Athanasiou is a Civil Engineer (National Technical University of Athens, Greece) and holds a degree in International Construction Management (University of Leeds, UK). He is also a graduate of the National School of Public Administration in Greece. He worked in the European Commission for 6 years (2017-2022) as a policy officer in the Buildings Team of the Energy Efficiency Unit in DG Energy. His work focused on the proper implementation of the Energy Performance of Buildings Directive. Prior to joining the European Commission he worked as Ministers’ Consultant for 8 years (2009-2016) in the area of energy efficiency in the Hellenic Ministry of Environment and Energy. He also worked in different positions both in the public and private sector for several years where he practiced civil engineering. He is currently an in-house senior expert of energy efficiency policies in the Institute for European Energy and Climate Policy (IEECP).