John Harrison PhD

Dr. John Harrison is Director of the Public Health England (PHE), Centre for Radiation, Chemical and Environmental Hazards (CRCE) which has headquarters at Chilton, near Didcot in Oxfordshire. Dr Harrison joined the National Radiological Protection Board (NRPB) in 1974 having gained a B.Sc. in Biochemistry at University College, Wales, and a Ph.D. in Biochemistry at St. George's Hospital Medical School, University of London. His doctoral thesis dealt with the biological behaviour of indium and gallium radioisotopes and their use in radiopharmaceuticals. For many years, he was Head of the Radionuclide Effects Group of Radiation Effects Department within NRPB. More recently, he has been Head of the Dose Assessments Department and later Deputy Director for Research in the same institute which has a broadened remit as the Centre for Radiation, Chemical and Environmental Hazards (CRCE), first within the Health Protection Agency (HPA) and now part of Public Health England (PHE).