Menelaos Zafiridis is a graduate of the department of Mechanical Engineering of the Technical School of the Aristotle University of Thessaloniki, specializing in Aeronautics and Engines. He holds an MSc degree in Powertrain Engineering from the École Nationale Supérieure du Pétrole et des Moteurs, France. His scientific interests and activities are mainly focused on exhaust after- treatment  technologies of internal combustion engines.