Paul Sellin is a Professor of Physics at the University of Surrey in the UK, and a visiting Professor at the University of Wollongong. His research interests are in the development and characterisation of radiation detectors and detector materials for applications in medical physics, radiation imaging, and nuclear security. His research group focuses on the characterisation and development of new detector materials, with a particular emphasis on the application of perovskite and organic materials for radiation detection and dosimetry.