Santanu Bandyopadhyay is currently Praj Industries Chair Professor, Department of Energy Science and Engineering, at the Indian Institute of Technology Bombay (IIT Bombay). He obtained his B.Tech. (Hons.) in Energy Engineering from IIT Kharagpur in 1992, and M.Tech. and Ph.D. in Energy Systems Engineering from IIT Bombay in 1995 and 1999, respectively. His research interests include Process integration, Pinch Analysis, Industrial energy conservation, Modelling and simulation of energy systems, Design and optimization of renewable energy systems, etc. Since 1994, Prof. Bandyopadhyay has been associated with and contributed towards various developmental, industrial, and research activities involving different structured approaches to process synthesis, energy integration and conservation, as well as renewable energy systems design. Prior to joining IIT Bombay, he worked for M/s Engineers India Limited, New Delhi. He was one of the section editors for the Elsevier project, Encyclopedia of Sustainable Technologies. Over a decade, he was an Associate Editor for Clean Technologies and Environmental Policy (Springer Nature). He is currently one of the Editors-in-Chief for Process Integration and Optimization for Sustainability (Springer Nature) as well as an Associate Editor for Journal of Cleaner Production (Elsevier), and South African Journal of Chemical Engineering (Elsevier). He is a fellow of the Indian National Association of Engineering (INAE).