Lecturer in Engineering Science at Ulster University. Previously Head of Group at Plataforma Solar de Almería of CIEMAT (Spain). Her research focuses on low-cost technologies for water purification, photochemical and advanced oxidation processes for the removal of microbiological and hazardous chemical pollutants from water. Pilar is an experienced researcher in the areas of low-cost drinking water disinfection solutions for the Global South and solar water treatment. She has authored key publications in these areas of research (168 peer-reviewed papers, H-index=59, citations=14,000). Fellow of the Institute of Physics, representative of Ireland in the International Union of Pure and Applied Physics, and member of the committees of Climate Change and Environmental Sciences of the Royal Irish Academy and the committee of Physics for Development. Editor of the Journal of Photochemistry & Photobiology, Process Safety and Environmental Protection and Chemical Engineering Journal (Elsevier). Finalist in the WISE awards 2019 (gender balance in science, technology, and engineering) to her contribution in solar technology research and Distinguished Research Awards University Champion (2021).