Apostolou Dimitrios PhD, holds a degree in Electrical Engineering from the University of West Attica, a Master’s degree in Energy (MSc in Energy) from Heriot-Watt University in Scotland, and a PhD from Aarhus University in Denmark. He has experience in the maintenance of electromechanical installations and has participated in research projects related to energy storage. His main research activities focus on hydrogen-based systems for storing surplus energy from renewable energy sources (RES), optimization of energy systems and RES-based power generation, as well as the participation of such systems in electricity markets. He has authored numerous articles and publications in international scientific literature. He has worked as an energy analyst at the Independent Power Transmission Operator (IPTO) in Greece, in the electricity market division. Since 2025, he has been serving as an Assistant Professor in the Department of Mechanical Engineering at the University of the Peloponnese in Greece.