I am a clinical epidemiologist and honorary consultant in public health. I co-lead Theme 1 'Making the most of real-world data' of the NIHR Health Protection Research Unit in Immunisation, a partnership between LSHTM and Public Health England.

I first joined the NHS as a nursing auxiliary, then studied medicine at St John's College, Cambridge (intercalating in Philosophy) and Green College, Oxford. I was a clinical advisor to the Chief Medical Officer from 2007 to 2008, and worked as part of a team which developed national quality and safety policies and managed the development of a WHO curriculum guide to patient safety in medical schools. I completed Foundation Training as a junior doctor in London, and trained in public health, working across a variety of organisations including the Department of Health, local authority, NHS England (London), and local health protection on call.

At LSHTM, following an MSc in Epidemiology I completed a PhD in the epidemiology of infections among older people with diabetes mellitus and chronic kidney disease, supervised by Dorothea Nitsch and Sara Thomas and funded by Kidney Research UK.