Sallie is Professor of Rehabilitation at Warwick Clinical Trials Unit at the University of Warwick and Kadoorie Professor of Trauma Rehabilitation at the University of Oxford. Other titles and roles include Harkness Fellow, visiting scientist at the National Institute of Aging of the United States, Fellow of the Royal Statistical Society, foundation senior investigator of the National Institute of Health Research in the UK, and Chair of the NIHR Health Technology Assessment commissioning board. She is a member of the National Institute of Clinical Excellence Guideline panel on hip fracture, the international review panel for registration of UK Clinical Trials Units, the NIHR Clinician Scientist Panel and the NIHR Research Fellowship and Internship panel. Her interests in gerontology span understanding physiological mechanisms of mobility limitation, frailty and falls in older people, to developing interventions that can be applied to improve quality of life and function of older people who have multiple co-morbidities and cognitive impairments. She has obtained competitive funding for and led many major clinical trials, including trials published in world-leading journals such as the New England Journal of Medicine and Lancet.