Dr. V.V. Tyagi is currently working as a Head in the School of Energy Management (Faculty of Engineering), Shri Mata Vaishno Devi University, Jammu (J&K), India. He has his Ph.D. in Energy and Environment from the School of Energy and Environment Studies, Devi Ahilya University, Indore, Madhya Pradesh. Dr. Tyagi has been actively involved in the research and development of solar thermal energy storage, bioenergy production and various other renewable energy aspects. He has more than 14 years of research and teaching experience. Dr. Tyagi was awarded CSIR-RA, MNRE-RA fellowships. He is a former post-doctoral research fellow of the University of Malaya, Kuala Lumpur, Malaysia. He has twice won first prize in international conferences. He supervised several M.Tech. dissertation and Ph.D. students. He has published more than 200 research papers/book chapters in reputed international peer-reviewed journals with high impact factors and also has more than a 17,000 Google citation score. He is among the top 2% cited researchers of India in the field of energy. He has edited three books from International publishers (Springer and CRC Press).