Dr Dempsey is a multidisciplinary medical research scientist, with groundings in sport and exercise physiology. Paddy works across several laboratories (Physical Activity, Behavioural Epidemiology and Metabolic and Vascular Physiology). His research interests are currently focussed on the role of sedentary behaviour, physical activity and diet (including their interacting effects) in the prevention and management of chronic diseases such as diabetes and cardiovascular disease.

Dr Dempsey utilises epidemiological, mechanistic/clinical and interventional research methods to enhance research discovery and translation. He is experienced in developing and coordinating human intervention trials, from grant application through to journal publication, as well as in managing and publishing findings using large epidemiological datasets. Dr Dempsey’s PhD research on physical activity, sedentary behaviour and diabetes has been published in high-impact medical journals, has influenced international physical activity/exercise clinical guidelines for diabetes patients and has received international media attention.