Dr. Haris Doukas is an Assistant Professor in the School of Electrical & Computer Engineering of the National Technical University of Athens. He has a degree in mechanical engineering and a PhD degree in the area of decision support systems (DSS) for the sustainable energy sector’s operation. His scientific and research expertise includes the development of DSS for energy and climate policy. He has a significant working experience in the design of policies promoting renewables, energy efficiency and rational use of energy in a local, national, European level and beyond, e.g. the Mediterranean basin’s countries and the GCC. Dr. Doukas has more than 200 scientific publications in international scientific journals, presentations in international conferences, chapters in Books and articles in magazines. Dr. Doukas is an Associate Editor of the Operational Research, International Journal (ORIJ), and a member of the Editorial Board in scientific journals related with energy and DSS.