Professor Pat Price, MA, MD, FRCP, FRCR, Visiting Professor in the Department of Surgery and Cancer, Imperial College London, is an academic clinical oncologist specializing in PET based molecular imaging, advanced radiotherapy techniques, and translational research in oncology. She founded and chairs the charity Radiotherapy UK, which acts as the secretariat to the All Party Parliamentary Group on Radiotherapy in the UK. She also the founder and chair of the Global Coalition for Radiotherapy.

Professor Karol Sikora, MA, MB BChir, PhD, FRCR, FRCP, FFPM, a former chief of the World Health Organisation cancer programme, is a world respected oncologist and campaigner for better universal cancer treatment. He was Clinical Director for Cancer Services at Imperial Healthcare for over 20 years and founded the University of Buckingham Medical School, before creating a global network of integrated cancer centres.