Sartaj Ahmad Bhat is working as Post-doctoral Researcher in the River Basin Research Center, Gifu University, Japan. He received his Ph.D. for Environmental Sciences from Guru Nanak Dev University, India in 2017. He is efficient in waste management techniques, especially towards the vermicomposting and substrate compatibility, nutrient enrichment and heavy metal accumulation dynamics. So far, Dr. Bhat has authored more than 30 research publications in peer-reviewed international journals.  He is also an editor, editorial board member and reviewer of many international reputed journals published by PLOS, De Gruyter, Springer, SAGE, MDPI, Elsevier and Taylor and Francis. He has been recently awarded as a Top Peer Reviewer 2019 in Environment and Ecology by Publons Web of Science Group and has more than 200 verified reviews to his credit. Adarsh Pal Vig is a Professor and former Head, Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, India. Dr.Vig is having teaching and research experience of more than 26 years, about 105 publications in National/International journals with a h-index of 21 and had supervised 10 Ph.D. students. His research mainly focuses on biological treatment technologies for agricultural and industrial wastes. He has been awarded Distinguished Teachers Award, 2012 and Environmentalist of the Year, 2016 & 2018. Presently also working as Director of UGC- Human Resource Development Centre and Project coordinator, FDC and NRC under Pandit Madan Mohan Malviya National Mission on Teachers and Teaching, MHRD, Govt. of India, at Guru Nanak Dev University. Fusheng Li is a Professor in the Division of Water System Safety and Security Studies and the Graduate School of Engineering at Gifu University, Japan. He received his BS degree for environmental engineering from Lanzhou Jiaotong University of China in 1986, MS degree from Kitami Institute of Technology of Japan in 1994 and PhD degree from Gifu University of Japan in 1998.  Dr. Li is directing the Division of Water Quality Studies that covers the fields from water quality to water and wastewater treatment, and recently to resource and energy recovery from organic waste. The ongoing research projects in his lab include adsorption; membrane filtration, enhanced coagulation, disinfection; biological water and wastewater treatment; vermicomposting treatment of vegetable waste and activated sludge; microbial fuel cell; physicochemical water quality assessment; biological water quality assessment. He has over 350 scholarly publications, including more than 160 in peer reviewed journal papers. As principal supervisor, he has guided so far 41 masters and 13 doctorate graduate students to the completion of their degrees. Dr. Li is the recipient of awards from several academic societies and associations for his research work on water treatment and water quality dynamics studies.  Balasubramani Ravindran is currently working as an Assistant Professor in Department of Environmental Energy & Engineering, Kyonggi University, South Korea. He obtained his doctorate from the Environmental Science and Engineering Division, Council of Scientific & Industrial Research (CSIR) Central Leather Research Institute (CLRI), which is an affiliated with the University of Madras, Tamil Nadu, India, by 2013. His primary research focuses on development and evaluation of treatment technologies for solid waste and wastewater from domestic and industrial outlets. He has published more than fifty research papers in peer-reviewed journals, few book chapters and three patents to his credit. He is as a potential reviewer in top international journals and also received “Outstanding reviewer award” from Elsevier and Springer Journals. He has also received prestigious “Best Researcher- IBET 2017” award (in waste management research) for Exceptional Performance and Contributions to ‘International Bio-energy technology/eco-protection/organic food/green business’ given by the International Centre for Biogas & Bio-energy Technology, India.