Sarah Walker is Professor of Medical Statistics and Epidemiology at the Medical Research Council Clinical Trials Unit at University College London in the UK. Sarah has worked at the unit since it was created in 1998 and is responsible for the statistical design, management, and analysis of a portfolio of randomized controlled trials and other interventional and non-interventional studies of infectious diseases, in various populations (including adults and children), and socio-economic settings.

She is also Professor of Medical Statistics and Epidemiology at the University of Oxford, where she leads a portfolio of research exploiting electronic health records and works with the NIHR Oxford Biomedical Centre Infections Theme and the ‘Modernising Medical Microbiology’ Consortium translating new whole genome sequencing approaches into microbiology practice and service.

Sarah has co-written over 290 publications and is Associate Statistical Editor for the Journal of Infectious Diseases.

Sarah holds a degree in mathematics from the University of Cambridge, a masters in medical statistics from the University of Southampton, a masters in bioinformatics from the University of Oxford and a PhD in medical statistics from University College London.