Peter is Emeritus Professor of Public Health in the Centre for Implementation Science in the Institute of Psychiatry, Psychology and Neuroscience. From 1999-2012 he was the Founding Clinical and Public Health Director of the National Institute for Health and Care Excellence (NICE).From 2013-2019 he was the Public Health Lead and Deputy Director of the National Institute for Health Research Collaboration for Leadership in Applied Health Research and Care (CLAHRC), South London.

From 2019-2023 he was the Public Health Lead and Deputy Director of the National Institute for Health funded Applied Research Collaboration South London. He is a Fellow of the Royal College of Physicians, a Fellow of the Royal College of General Practitioners and a Fellow of the Faculty of Public Health. His research interests are focused on achieving effective, efficient and fair health care systems. He has recently published “Making Health Public: a manifesto for a new social contract” and “NICE at 25 a quarter century of evidence values and innovation”