Dr. Mahmoud Nasr  is an Associate Professor of Sanitary Engineering at Alexandria University, Egypt, since 2020. He received his Ph.D. degree in 2014 from the Egypt-Japan University of Science and Technology (E-JUST) and his M.Sc. from Alexandria University in 2010. Dr. Nasr was a Postdoc Fellow at the Institute for Water and Wastewater Technology from Durban University of Technology (DUT), South Africa in 2015, a Research Scientist at the Chemical Engineering Department, Texas A&M University, Qatar from 2016 to 2018, and a Visiting Scientist at DUT in 2019. He has participated in several international projects, published more than 80 papers in national and international journals and conferences, and contributed to more than 10 chapters. He was also awarded the Top 10 Postdoc Fellow at DUT in 2016. He is a member of the Editorial Board of the Journal of Scientific Research and Reports. He was a member of the Scientific Committee of several international conferences such as International Conference on New Energy and Future Energy System (2019), International Conference on Sustainable Environment and Agriculture (2019), International Conference on Fuzzy Systems and Data Mining (2019), and Pollution Control Summit (2020).

Prof. Abdelazim Negm  is a Professor of Hydraulics at the Faculty of Engineering, Zagazig University, Egypt, since 2004. He received his Ph.D. in 1992 from Zagazig University (ZU), and his M.Sc. from Ain shams University in 1990. He was the vice dean of the Faculty of Engineering of ZU from December 2008 to December 2011 and was the head of the Environmental Engineering Dept. at Egypt-Japan University of Science and Technology (E-JUST), Egypt, from October 2013 to March 2016. He has participated in several international projects since 2006, published more than 300 papers in national and international journals and conferences and contributed to more than 50 chapters. Professor Negm is a member of the editorial board of The Handbook of Environmental Chemistry book series at Springer and he has been actively contributing to the series by editing several volumes since 2017. He is also the editor-in-Chief of the Egyptian International Journal of Engineering Sciences and Technology, and an associate editor of the Euro-Mediterranean Journal for Environmental Integration. Professor Negm is the head of the permanent scientific committee on Water Resources for promotion of professors and associate professors, the supreme council of Egyptian Universities, Egypt, and he is listed in some of the most prestigious directories including  the American Biographical Institute (ABI), Inc, USA, "Marquis Who's Who in the World",  27th Ed., 2010, USA  and in IBC's 2000 Outstanding Intellectuals of the 21st Century by International Biographical Center, Cambridge, England.