Dr. Gopal Nath Tiwari was born on July 1, 1951 at Adarsh Nagar, Sagarpali, Ballia (U.P.) in India. He has completed his M.Sc. (Physics) and Ph.D in 1972 and 1976 from Banaras Hindu University, Varanasi (U.P.), India. He is recipient of JRF, SRF and PDF from CSIR, Govt. of India during 1972-1978. He joined as a Research Associate at I.I.T. Delhi, New Delhi in 1978. He is holding a position of Professor at Centre of Energy Studies, I.I.T. Delhi, New Delhi since 1997. He had been energy expert in University of Papua New Gunea, Port Morshy, PNG during 1987-89. Dr. Tiwari was visiting European Fellow at University of Ulster, Northern Ireland (UK) during 1993 for six months. He has visited many other countries namely Canada, USA, Italy, Australia for short terms as an energy expert. He is recipient of National Hari Om Ashram Prerit S.S. Bhatnagar Award in 1982 for his seminal contribution in the field of solar distillation. Dr. Tiwari has published to his credit more than four hundred research papers in different National and International Journals. He is the author of eight text and reference books on solar energy, greenhouse, passive heating/cooling, Renewable Energy Resources etc. He had been nominated for International IDEA Award for his work on solar distillation in 1992.
Dr. Tiwari has supervised more than forty Ph.D students in various research areas of interest. His current areas of research interest are Solar Energy and its applications in solar distillation, passive heating/cooling of building, controlled environment greenhouse, aquaculture, water/air heating system, crop production and drying, renewable energy resources, energy analysis of all systems, techno-economic analysis, hybrid PV/thermal systems, clean environment and rural energy etc.