Jonathan is Professor of Medical Statistics and Epidemiology within the Nuffield Department of Population Health. After graduating in Mathematics in 1998, he studied statistics and epidemiology at MSc and PhD level before joining the Clinical Trial Service Unit & Epidemiological Studies Unit (CTSU) in 2004.
His main research involves studying the causes and prevention of cardiovascular diseases through the design, conduct and analysis of large-scale observational cohort studies, randomised controlled trials, and individual-participant-data meta-analyses of both types of study. He is the UK Principal Investigator and MRC Population Health Research Unit (MRC-PHRU) Programme Leader for the Mexico City Prospective Study, a blood-based prospective cohort study of 150,000 Mexican adults followed for more than 15 years.