Dr. Muhammad Bilal Tahir has a PhD in Physics with a specialization in Material Science and Nanotechnology from University of Gujrat, Pakistan. He has completed his MSc and MPhil from University of Engineering and Technology in Lahore. He has published more than 100 papers and 50+ book chapters on the topics of photocatalysis, renewable energy, alternative fuels, waste-to-energy, catalytic and resource recovery. He has delivered over 20 oral/invited talks to various national and international forums. His work is highly cited in the peer review press with accumulative impact factor over 300 and H-index of 24. Dr. Tahir is serving as editor/guest editor in several special issues Current analytical chemistry, Frontiers in Energy Research and numerous others. He has published 5 books with International Publishers like Springer/Elsevier and 7 books with local publishers. He has been actively involved in community services and consultations to the various international organizations for providing sustainable solutions for energy and waste-related issues