Prof Stewart is Consultant Neuropathologist at the Queen Elizabeth University Hospital, Glasgow, and Honorary Professor at the Universities of Glasgow and Pennsylvania. Prof Stewart leads an internationally regarded research laboratory engaged in multiple programs pursuing themes from cells to society in traumatic brain injury research. Working with the unique and comprehensive Glasgow TBI Archive, his research describes the complex neuropathology of brain injury across a range of exposures and survivals, with particular reference to the link between TBI and neurodegenerative disease. Prof Stewart directs the FIELD programme of research, which aims to describe lifelong health and dementia risk in former soccer and rugby players, and is Co-PI on the multicentre collaborative research programs TBI-REPORTER and TRANSFORM-TBI.