Dr. Sumit Tiwari is working with Shiv Nadar University, Dadri, Uttar Pradesh. He received the B.Tech degree in Mechanical engineering from the Uttar Pradesh Technical University, Lucknow (now AKTU). Further, he got M.Tech and Ph.D. degree from the Indian Institute of Technology (IIT) Delhi. He got assistantship for his Ph.D. from “Ministry of New and Renewable Energy (MNRE)” assistantship. He worked with Professor Patrick Phelan’s Group, USA as a research intern for 06 month under the fellowship named “Building Energy Efficiency Higher & Advanced Network (BHAVAN) Fellowship Program” which is a program executed by Indo-U.S. Science and Technology Forum (IUSSTF) and department of science and technology (DST). He got Shrimati Vijay-Usha Sodha Reserch Award for the session 2018-19 given by Center for Energy Studies, IIT Delhi. He also got second prize under "Best thesis award" in Ph.D. symposium organised by "Madan Mohan Malaviya University of Technology, Gorakhpur (U.P) INDIA & University of the Ryukyus, Okinawa, Japan".

He is working on different solar thermal technologies namely, photovoltaic thermal (PVT) greenhouse drying system, PVT greenhouse heating system, PVT greenhouse biogas heating system, solar still, PVT air collector, PVT air collector integrated drying system, passive cooling of building, and solar adsorption cooling system etc.