Prof. Ing. EUR ING Charles Yousif is an experienced senior lecturer with a demonstrated history of working in the higher education sector for over 25 years. He has proven experience in applied research and applications including sustainable energy analytical skills, energy performance of buildings, energy sustainability, solar photovoltaic and thermal systems technologies, and solar radiation data analysis. Since 1995, he has accumulated vast experience in collaboration with industry and in designing and executing projects both at national and European levels. He holds a doctor of philosophy (Ph.D.) focused on energy efficiency of buildings, an M.Phil. by research on solar photovoltaic system applications, and a B.Sc. (Hons.) in mechanical engineering. He is a warranted engineer in Malta and also holds the EUR ING title. He is also a certified assessor of energy performance of buildings for both residential and nonresidential buildings. He is a consultant on energy performance of buildings to a number of government entities. Dr. Ing. Yousif has published over 100 papers in peer-reviewed journals and conferences and has authored a number of book chapters.