Vetrimurugan Elumalai is a South African National Chair of Hydrology (SARChI-Tier 1) as well as full Professor and Head of the Department of Hydrology, Faculty of Science and Agriculture, University of Zululand, South Africa. He has more than 15 years of experience in groundwater and surface water studies including hydrological modeling, groundwater and surface water quality assessment, groundwater and surface water contamination, monitoring and management, groundwater modeling for sustainable water resources, and environmental geochemistry.