Dr. Willis Gwenzi is a Professor of Biosystems and Environmental Engineering at the University of Zimbabwe. He researches on environmental remediation, environmental hydrology, water/wastewater treatment, emerging contaminants, antibiotic resistance, medical geology, environmental epidemiology, and novel (bio)materials. He has published over 70 peer-reviewed articles. His seminal papers on biochar-based water treatment systems, and high-technology rare earth elements as emerging contaminants have been rated as Highly Cited and Hot papers in 2019 by Web of Science. He has supervised several postgraduate students in bio-environmental system engineering. He is regular manuscript reviewer for top international journals. He has also acted as an external reviewer for grant proposals for UK’s NERC, Canada’s MITACS, Chile’s FONDECYT, and the Austrian Science Foundation. Willis holds the following qualifications: (1) PhD (Biosystems and Environmental Engineering, University of Western Australia), (2) M.Sc. (Water Resources Engineering and Management), (3) B. Sc. Honours (Soil Science), and (4) Postgraduate Certificate (Applied Groundwater Modelling).