Mostafa Redwan obtained his PhD degree in Environmental Geology and mineralogy in 2011 from Hannover University, Germany. He is currently working as a Professor of Environmental Geochemistry at Sohag University, Egypt. His current research interests focus on geochemical and mineralogical characterization of mine waste, mine site rehabilitation, rock alterations and toxic elements attenuations, water-rock interaction, monument deterioration, groundwater contamination, and remediation strategies.