Vangelis Marinakis received a Ph.D. degree in decision support systems for sustainable energy planning from the School of Electrical and Computer Engineering (ECE), National Technical University of Athens (NTUA). He is an Assistant Professor with the School of Electrical and Computer Engineering (ECE), NTUA. He is an Electrical and Computer Engineer with NTUA. His research is focused on the design and development of methodologies and decision support systems, using leading-edge ICT technologies (the Internet of Things, artificial intelligence, and big data) for intelligent energy management at different levels (smart homes, smart buildings, smart cities, and smart districts) and increased energy efficiency gains and renewables. In the abovementioned fields, he has worked on more than 25 European (Horizon Europe, Horizon 2020, FP7, and IEE) and national co-funded projects. He has more than 60 scientific publications in international scientific journals with reviewers and book chapters and several publications/announcements in national and international conferences.