Dr Sunita Varjani is currently working as a visiting fellow at the City University of Hong Kong, Hong Kong. Her major areas of research are Industrial and Environmental Biotechnology, Wastewater Treatment and Process Engineering, and Bioprocess Technology and Waste Management. She has worked as a visiting scientist at EPFL, Lausanne, Switzerland. Dr. Varjani has authored more than 400 publications, including research and review papers, books, book chapters, and conference communications with h index of 67 and > 17,800 citations.Dr Izharul Haq is an Assistant Professor at Dr. B. Lal Institute of Biotechnology, Jaipur, India. He had worked as a Post-Doctoral Fellow in the Indian Institute of Technology Guwahati, India. He obtained his PhD in Microbiology from CSIR-Indian Institute of Toxicology Research, Lucknow, India. He is working on liquid and solid waste management through microorganisms and their toxicity evaluation. Dr. Haq has 62 publications with h index of 18 and > 1400 citations. Professor Ashok Pandey is currently Distinguished Scientist at the Centre for Innovation and Translational Research, CSIR-Indian Institute of Toxicology Research, Lucknow, India. His major research and technological development interests are industrial & environmental biotechnology and energy biosciences, focusing on biomass to biofuels & chemicals, waste to wealth & energy, etc. He has 16 patents, 120 books, >1000 papers and book chapters, etc with h index of 139 and >81,400 citations. Dr Vijai Kumar Gupta earned a doctoral degree in Microbiology from Dr RML Avadh University, India. Currently, he is working as an Associate Professor in Dublin City University, Ireland. His focus of research is on developing bioprocess technologies to valorize available bioresources for the production of value-added biochemicals, bioproducts, and fuels and their potential to address the key challenges in agri-food-pharma-environment importance. He has >500 publications, including 48 book chapters and 42 books with h-index 81 and > 28,000 citations.Professor Xuan‐Thanh Bui earned his PhD degree in environmental engineering from Asian Institute of Technology, Thailand. He currently serves as the chairman of the Department of Water Science & Technology and the head of Key Laboratory of Advanced Waste Treatment Technology in Ho Chi Minh City University of Technology. His research focuses on membrane processes, water and waste treatment technologies, and green technologies. He has published >250 papers (6,800+ citations, h‐index=44), eight books, 36 book chapters, and has four patents with h index of 44 and >6800 citations.
