Mr Hayes qualified from Newcastle University in 1983 and FRCS (Eng) 1987. He trained in posts in the Northern Region and the East Midlands.
He was appointed as a visiting Lecturer in Surgery to the Chinese University of Hong Kong from 1996-97 and appointed as a Consultant Surgeon to Newcastle Hospitals from 1997.
He is the Oesophagogastric Surgery clinical lead and has previously been the Chair of the Oesophago Gastric TSSG for the North of England Cancer Network. Nationally, he has been Hon. Treasurer to the Association of Upper GI Surgeons.