Thomas Okell is an Associate Professor based at the Podium Institute within the Institute of Biomedical Engineering, with a joint appointment at the Nuffield Department of Clinical Neurosciences. His research focusses on developing advanced neuroimaging methods to measure brain blood flow and structure non-invasively, from acquisition and image reconstruction through to physiological modelling. He has applied these approaches in various cerebrovascular disease, basic neuroscience and population imaging studies, with a current focus on exploring the relationships between sports, injuries, mental health and cognition.