Patrick Gathura Ndungu is a Professor in the Department of Chemical Sciences at the University of Johannesburg. He received his Bachelor of Science (cum laude) from the University of Tennessee at Martin in 1998, and then went on to do his postgraduate studies at Drexel University under the supervision of Professor Jean-Claude Bradley, graduating with a Ph.D. in 2004. His current research interests include investigating the physical–chemical properties of nanocomposite materials, the development of novel and functional nanosystems as integral components in low-cost water treatment technologies and renewable energy devices, and novel aspects of nanoscience and nanotechnology in the context of providing inexpensive solutions to problems unique to the developing world. He is a scientific editor (Nanotechnology) for the South African Journal of Chemistry, a C2 rated NRF (South Africa) scientist, and an editorial board member for WaterSA.