Malcolm Sperrin is the director of the Department of Medical Physics and Clinical Engineering at the Churchill Hospital, UK, with a special interest in radiation medicine, especially nuclear medicine and radiotherapy. He also plays a significant role in radiation protection and contingency planning. In parallel to his conventional hospital duties, Malcolm also spends a lot of time teaching and lecturing with organisations including Oxford Postgraduate Medical School, The Open University and various royal colleges not to mention lectureships at Guildford and the University of the West of England. He is also a Fellow of both the Royal College of Surgeons and the Royal College of Radiologists.

Ian Francis is a consultant radiologist working acrossboth the NHS and private sectors. He is a co-founder and a directorat Medical Imaging Partnership, a clinico-radiological business supportingradiologists and imaging departments in developing strategy and serviceredesign of their imaging services with fully integrated back office services.Ian Is also a leader in educational development across the radiology spectrumand was the Education Development Lead for the Royal College of Radiologists,driving programmes of radiology educational delivery throughout the UK.