Peter Johnson is Professor of Medical Oncology at the University of Southampton, National Clinical Director for Cancer at NHS England and Chair of the UK Office for Life Sciences cancer goal. His work at NHS England covers the range of policy aimed at improving cancer survival, particularly the earlier and faster diagnosis of cancer, as well as its treatment.

He was previously Chief Clinician for Cancer Research UK from 2008 to 2017. His research interests are in applied immunology and immunotherapy; lymphoma biology and precision medicine, early cancer detection biomarkers and clinical trials.