Professor McCaul graduated in Medicine and Dentistry both with honours winning 10 undergraduate prizes and medals at the University of Glasgow before then completing research and surgical training in the West of Scotland. His PhD is in Telomere Biology, Telomerase inhibition and the radiosensitivity of Head and Neck Cancer. He completed this in the University of Glasgow School Cancer Science at the CRUK Beatson Laboratories in Glasgow. He won the West of Scotland Head and Neck prize, Scottish OMFS Society prize three times and the European Head and Neck Golden award during training. He was appointed as Consultant in Bradford Teaching Hospitals in 2006 and worked there for 8 years, developing clinical research in to head & neck cancers and collaborating with the University of Bradford Institute of Cancer Therapeutics. He is a Board Member of the University of Bradford Ethical Tissue Board and was a member of the Crocus Appeal board. He worked at the Royal Marsden Hospital until April 2017. Among 13 National and International Awards to date he was awarded the British Association of Oral and Maxillofacial Surgeons President’s award for research optimising major surgery in 2012 and the BAOMS Surgery Prize 2014 in recognition of his international contribution. His team won the BAOMS Norman Rowe Clinical Research Prize in 2014. In 2017 he moved to join the maxillofacial team at Queen Elizabeth University Hospital in Glasgow, one of the highest throughput head and neck cancer centres in the world He is Chief Investigator of the CRUK LIHNCS trial, recruiting 419 patients to time and target, an international first for a mouth cancer surgical trial. He is also Chief Investigator of the LISTER trial, applying metabolomic vital staining to precancer tissue in the mouth and throat. His research centres on early cancer detection and minimising the impact of therapy for cancer. He investigates optimising outcomes from major head & neck cancer surgery and effectively treating and curing after effects such as osteoradionecrosis. He is co-investigator in a further 8 clinical trials in the UK and collaborates internationally. He is Assistant Editor of the International Journal of Surgery and IJS Case Reports. He was Associate Editor of British Journal of Oral and Maxillofacial Surgery until 2014 and still on the editorial board. He reviews for 16 other international medical research journals and is author of 5 book chapters, 67 peer reviewed research papers and more than 150 published research abstracts. His first book for the general Market “Face to Face,” Transworld Press 2018 was an Amazon bestseller. His clinical interests are in all pathology of the face, mouth, jaws, head and neck and salivary glands. His particular interests include early detection of precancer tissue and defining the precise extent of cancer and pre-cancer in patients with oral cavity and oro-pharynx tumours in order to accurately remove and treat cancer whilst minimising impact on oral and facial function, appearance and senses.