Mahmoud Khalil is an Associate Professor for the Geology Department, Faculty of Science, Minia University. He received his MSc in Applied Sedimentology (Petrophysics) from Minia University, Al Minya, Egypt, in 2010 and earned a PhD in Environment Systems (Environmental Hydrology) from The University of Tokyo, Japan, in 2016. He is also a member of the Geological Society of Egypt (GSE), the Egyptian Syndicate of Scientific Professions, and the American Geophysical Union (AGU). His main research interests include environmental hydrology, water-resource management, isotope hydrology, and groundwater modelling.