Dr. Sanjay Kumar Gupta is Technical Superintendent of Environmental Engineering in the Department of Civil Engineering at the Indian Institute of Technology, Delhi. Dr. Gupta started his research carrier in 1999 at CSIR-Indian Institute of Toxicology Research, Lucknow India. His doctoral research was awarded in 2010 from Dr. Ram Manohar Lohia Avadh University, Faizabad. Later, he did his post-doctoral research from Durban University, South Africa. He had been recognized twice as “One of the Top Publisher Post-Doc Fellow” in 2014 and 2016 for his active research contribution for his post-doctoral research. Dr. Gupta has authored 61 articles in peer-reviewed journals and books, have presented 17 papers in national and international conference. One of his book “Algal Biofuels” published from Springer International, Switzerland was one of the most downloaded book in 2017. He was an Editor for Journal of Ecophysiology and Occupational Health, and is a life member of many professional societies including the International Society of Environmental Botanists, Society of Toxicology, Academy of Environmental Biology, and the Indian Network for Soil Contamination Research.  His research interests include ecotoxicological risk assessment, bioremediation of wastewater and industrial effluents, algal biotechnology.  Prof. Faizal Bux is Director of the Institute for Water and Wastewater Technology at Durban University of Technology in South Africa. He received his B.Sc. from University of Durban-Westville in 1986, his M.Tech. in Biotechnology from Technikon Natal in 1997, and his Ph.D. in Biotechnology from Durban institute of Technology in 2003. He has edited 5 books, written 121 articles in peer-reviewed journals, authored 17 book chapters, and is an Editor for the journals Environmental Science and Health, Biofuels Research Journal, and Water Science and Technology. His research interests include biological nutrient removal in wastewater treatment, algalbiotechnology, and bioremediation of industrial effluents.