Julian Peto is an English statistician and cancer epidemiologist. He is Cancer Research UK Chair of Epidemiology at the London School of Hygiene and Tropical Medicine and the Institute of Cancer Research.[1] Before he took up his current post in 1983 he worked as a research scientist under Sir Richard Doll at the University of Oxford.
His brother Richard Peto, with whom he has published work in mathematical statistics (see the logrank test), is also a distinguished epidemiologist.