David Llewellyn, PhD, of the University of Exeter Medical School, Exeter & The Alan Turing Institute, London, UK, discusses the Dementias Platform UK (DPUK) Datathon taking place at the University of Exeter, including the key themes and the datasets that this will give access to. This interview was recorded at the Alzheimer’s Research UK (ARUK) Conference 2019, held in Harrogate, UK.