Dr Julian Kabala is an experienced Consultant Radiologist at the Bristol Royal Infirmary, has published widely in the literature, has extensive experience in reporting PET/CT and was on the Department of Health National PET audit panel 2008 – 2015. He has notably been a recent ex-president of UKIO (2017 – 2019), Royal College of Radiologist examiner for the Diploma in Dental and Faciomaxillary Radiology 2012 – 2017 and is a former President of the British Society of Head and Neck Imaging (2006 – 2008).