Gary Cook trained in radiology and then nuclear medicine in London. In 2011 he returned to King’s College London and Guy’s & St Thomas’ Hospitals as a clinical academic and a nuclear medicine physician in the King’s College London and Guy’s & St Thomas’ PET Centre. His research interests include imaging bone metastases, measuring tumour heterogeneity, evaluation of novel tracers and biomarkers and refining multimodality imaging for diagnosis and response assessment in oncology.