Dr Hayee is a Consultant Gastroenterologist at King's College Hospital and has been the Clinical Lead for the department since 2015. He trained at Guy’s Hospital (GKT Medical School), graduating in 1999, and was appointed a Fellow of the Royal College of Physicians in 2015. His PhD, awarded in 2010, examined the role of innate immunity and neutrophil function in Crohn's disease.

Dr Hayee is also a Reader in Gastroenterology at King’s College London and maintains an active research interest, supervising several PhD fellows and basic scientists. He is nationally accredited for bowel cancer screening colonoscopy and has specialist interests in Inflammatory Bowel Disease (IBD) and high-quality endoscopy. He is the training lead for Endoscopy at King's and led the development of the specialist IBD service from 2012-2017, being shortlisted for an HSJ Excellence in Healthcare award in 2017. In 2011, he was awarded a travelling fellowship to Yokohama, Japan to study advanced endoscopic techniques with Professors Haruhiro Inoue and Shin-ei Kudo and is co-director of the King’s Institute of Therapeutic Endoscopy.

Dr Hayee is committed to innovation and delivering the highest quality service possible, with thoughtfulness, rapid communication, clarity of information, and partnership. He is a member of the British Society of Gastroenterology (for whom he serves as a member of the Endoscopy section committee), the American Gastroenterological Association, the European Crohn's and Colitis Organisation, the American and European Societies for Gastrointestinal Endoscopy, and the Association for Bariatric Endoscopy.

Dr Hayee treats a wide range of conditions including abdominal pain, dyspepsia, IBS, achalasia, gastro-oesophageal reflux disease, Crohn's disease, ulcerative colitis, and constipation. He is proficient in various medical tests and treatments such as endoscopic sleeve gastroplasty, endoscopic mucosal resection/submucosal dissection for early gastrointestinal cancer removal, colonoscopy, endoscopy, gastroscopy, endobarrier, enteroscopy, and large polyp removal. He is also involved in bowel cancer screening.

Dr Hayee's dedication to his field and his patients is evident in his ongoing commitment to research, education, and clinical excellence.