Ashok Kumar Gupta earned his PhD in Environmental Science and Engineering from the Indian Institute of Technology Bombay, Mumbai, India. Currently, he is Professor (HAG) in the Environmental Engineering Division of the Civil Engineering Department and Ex-Head, School of Water Resources, Indian Institute of Technology Kharagpur, Kharagpur, India. He has over 25 years of teaching, research, and professional experience in various aspects, such as water treatment, wastewater treatment and reuse, treatment of emerging and geogenic pollutants, and others. He is credited with more than 140 publications in top-ranking international journals and his publications have appeared in more than 9900 citations with a h-index of 52. He has also published a comprehensive book on titles Fluoride in Drinking Water: Status, Issues, and Solutions by CRC press. Dr. Gupta is a renowned technical consultant in the arena of environmental engineering, having more than 50 completed, ongoing R&D, or consultancy projects of national and international importance to his credit. He has also carried out 30 short-term courses/workshops on water supply systems and wastewater management and reuse and others. Dr. Gupta has been awarded a Fellow of the Indian National Academy of Engineering (FNAE), a Fellow of the National Academy of Sciences (FNASc), and a Fellow of the West Bengal Academy of Science and Technology (WAST) in 2018, 2020, and 2021, respectively. Venkatesh Uddameri earned his masters and doctoral degrees in civil engineering and environmental engineering, respectively, from the University of Maine, Orono, United States of America. Currently, he is Professor and Chair Professor in the Department of Civil and Environmental Engineering at Lamar University, Beaumont, Texas, United States of America. He has over 25 years of teaching, research, and professional experience in various aspects of water resources and environmental engineering. A significant part of his research is focused on alternative sources of water, including but not limited to the use of brackish groundwater resources and the reuse of wastewater. He is interested in the development of mathematical tools for the design and analysis of water and environmental systems. He is a fellow of the American Water Resources Association and currently serves as the Editor-in-Chief of the Journal of the American Water Resources Association. His research has been funded by a variety of federal, state, and local agencies, and he has received awards for both research and teaching innovations. Abhradeep Majumder is a budding researcher in the field of water and wastewater treatment through biological and advanced oxidation processes. He earned his M.Tech in Civil Engineering with a specialization in Environmental Engineering from National Institute of Technology Agartala, Agartala, India. Currently, he is Senior Research Scholar from the School of Environmental Science and Engineering, Indian Institute of Technology Kharagpur, Kharagpur, India. His broad field of research is wastewater treatment. His research work is dedicated to the development of photocatalytic materials for degrading emerging organic contaminants present in wastewater and using mathematical modelling to describe their degradation process. He also has experience in the biological treatment of wastewater. His scientific contribution is marked by several publications on advanced oxidation processes, emerging contaminants, biological treatment, adsorption, and others in top-ranking international journals. He has 20 publications in top-ranking international journals and is credited with more than 800 citations with a h-index of 13. Shripad K. Nimbhorkar earned his M.Tech in Environmental Science and Engineering from the Indian Institute of Technology Bombay, Mumbai, India. He has more than 40 years of experience in the field of industrial water and wastewater treatment. He has worked with renowned industrial wastewater treatment solution companies. He has been the Associate Vice President at Kirloskar Consultants, Bangalore, India, and Reva Enviro Systems Private Ltd., Nagpur, India, between 1988 and 1995. He was also the General Manager of Biosystems India Ltd., Ahmedabad, India. Furthermore, Mr. Nimbhorkar had also held the position of Lecturer at Maulana Azad College, Aurangabad, India, and been an Environmental Management System Auditor. His field of interest is wastewater management, wastewater reuse, and the use of renewable energy in wastewater treatment.
