Prof. Negm is a Professor of Hydraulics (and Water Resources) at Zagazig University. His current domain of research is sustainable water resources and their management. He is a member of IAHR, ICWEES, EGU, IAH. He is the head of the Egyptian permanent scientific committee for Water Resources (Committee no. 115, Supreme Council of Egyptian Universities). He is a member of the editorial board of several scientific journals, including  IJESD, AJES, JEST, JHGGM, ENRRJ .. etc, associate editor-in-chief for Scientific African Journal, EJRS, and IWTJ issued by IWTA and guest editor in AJGS  and EMJEI (Springer) and Water Journal (MDPI). He published more than 350 papers, 100 book chapters,  and published  35 contributed volumes during the years from 2017-2021 in Springer International Publishing House. He led several international projects and participated in some others. He was nominated for many awards by IBC and ABI. He is listed in (a) Marquis Who is Who?  (b) IBC's 2000 Outstanding Intellectuals of the 21st Century. Liliana Zaharia graduated the Faculty of Geology and Geography, University of Bucharest (Geography-French specialization) and the postgraduate cycle “Hydrology and Water Resources Management”, jointly organized by EPF Lausanne, University of Neuchâtel and ETH Zürich. She received her Ph.D. in Geography in 1997. Since 2006 she is full Professor at the University of Bucharest, Faculty of Geography and since 2007 she is thesis director. Her fields of interest are continental hydrology, water resources management and water related risks. Prof. Zaharia is director of the research center “Water Resources and Hydrological Risks Management”. She authored 12 books/chapters and over 200 articles/abstracts (32 papers are published in ISI rated/indexed journals) and almost 250 presentations at scientific meetings. She coordinated 3 national research projects and 5 international projects (with France, Switzerland and Croatia). She was member of the research teams in 14 national projects and one international project. Since 2020 prof. Zaharia is vice president of the IGU Commission for Water Sustainability. She is/was member of many scientific associations and administrative structures.  Dr. Gabriela Ioana-Toroimac is currently assistant professor at University of Bucharest, Faculty of Geography in Romania and previously taught at University of Lille, UFR of Geography and Spatial Planning in France. She holds a doctoral degree in Geography since 2011. She works on river channel dynamics and interplay of various natural and human drivers on Danube River and its tributaries. The overall topic of her research is planning for healthy rivers, with a focus on a river’s hydromorphological quality and consequent restoration priorities to achieve a good status in the context of the requirements of the European Union Water Framework Directive. She was part of 10 funded research and teaching grants and she authored 10 book chapters, 30 articles in peer-reviewed journals, and over 100 presentations in scientific meetings. She is member of the IGU Commission for Water Sustainability and Romanian Association of Limnogeography.