Haris Doukas is the mayor of Athens and a professor at the School of Electrical & Computer Engineering of NTUA. His scientific and research expertise includes the development of decision support systems for energy and climate policy, placing the human factor at the core of the modelling processes. He has almost two decades of working experience in the design of policies and programs for the promotion of renewables, energy efficiency, and management at a national, European level as well as in Africa and the Arab states of the Persian Gulf. He has more than 150 scientific publications in international scientific journals with reviewers, and he co-authored the Greek book “Multiple Criteria Decision Models for Energy and Environment.”