Mr Welbourn is a senior Bariatric surgeon at both the Musgrove Park Hospital and Nuffield Health Hospital in Taunton. He specialises in laparoscopic surgery of the stomach and upper gastrointestinal tract and regularly trains other surgeons in laparoscopic techniques, including Bariatric surgery. He has been performing obesity surgery operations since 2003 both within the NHS and private sectors. Mr Welbourn is accredited by the American Society of Bariatric and Metabolic Surgery as meeting the criteria for a surgeon of a Centre of Excellence in Bariatric Surgery.