Dr Atul Shama is currently a Professor in Physics and Head of the Department of Sciences and Humanities, Rajiv Gandhi Institute of Petroleum Technology (RGIPT) (set up through an Act of Parliament by the Ministry of Petroleum & Natural Gas, as an Institute of National Importance on the lines of IITs). He has worked as a Scientific Officer at Devi Ahilya University, India; as a Research Assistant at Korea Institute of Energy Research, Daejon, South Korea; and as a Visiting Professor at the Department of Mechanical Engineering, Kun Shan University, Tainan, Taiwan, R.O.C. Dr. Sharma completed his MPhil and Ph.D. from the School of Energy and Environmental Studies, Devi Ahilya University, India. Dr. Sharma has published several edited books from various well-known international publishers and research papers in various international journals and conferences. He completed several projects as principal investigator with funding from agencies, including the Department of Science and Technology, New Delhi, and the Council of Science and Technology, U.P., India. He is working on the development and applications of phase change materials (PCMs), green buildings, solar water heating systems, solar air heating systems, and solar drying systems. Further, he served as a reviewer for many national and international journals, project reports, and book chapters.