Mat Santamouris is Professor of Energy Physics at the University of Athens and serves or served as visiting professor at the Metropolitan University of London, Tokyo Polytechnic University, Bolzano University and the Cyprus Institute. He is Editor of the Series of Book on Buildings, Energy and Solar Technologies published by Earthscan Science Publishers in London. He served as President of the National Center of Renewable Energies and Savings for the period 2010-2012. He is Editor in Chief of the Journal of Building Environmental Research, Editor of the Energy and Building Journal, Associate Editor of the Solar Energy Journal and member of the Editorial Board of seven additional journals. Editor and author of 12 international books on topics related to heat island, solar energy and energy conservation in buildings published by Earthscan and other international publishers. Guest editor of seventeen special issues published by selected scientific journals. Coordinator of many major international research programs like PASCOOL, OFFICE, POLISTUDIES, AIOLOS, BUILT, RESET, INTERSET, COOL ROOFS, etc. Consultant of many International and National Energy Institutions. External examiner at eight international Universities and referee in 53 international peer review scientific journals. Reviewer of national and international research projects in the European Commission, USA, UK, Canada, France, Germany, Italy, Singapore, Sweden, Luxembourg, Ireland, Estonia, Slovenia, Qatar, Cyprus, etc. Author of almost 200 scientific papers published in peer review international scientific journals.