Georgios Mavropoulos, Dr.-Ing., Dipl.-Ing., is a Professor of Internal Combustion Engines at the Department of Mechanical Engineering Educators of the School of Pedagogical and Technological Education (ASPETE) in Athens, Greece. He is the head of the Laboratory of Internal Combustion Engines and Automotive Powertain. He is also a Senior Research Associate at the Internal Combustion Engines Laboratory (ICEL) at the School of Mechanical Engineering of the National Technical University of Athens (NTUA). His main research interests cover the areas of theoretical modeling and experimental techniques related to the internal combustion engine performance, heat transfer, pollutant emissions, and exhaust heat recovery. He is the author of 42 research papers published in international journals and conference proceedings with referees. He has been teaching a wide variety of Mechanical Engineering courses in Greek Universities and Professional Institutions. He has participated in numerous national and international research projects related to the Energy sector. In parallel, he has served the manufacturing industry for over 20 years in the areas of product design, engineering, and quality improvement. As a team leader, he has developed several innovative product designs and manufacturing processes. He is a member of several international societies, including SAE, ASME, and ACS. His work has been repeatedly awarded by various national and international business and research organizations.