Dr Philip Smith, Digital and Education Editor of Gut and Consultant Gastroenterologist at the Royal Liverpool Hospital interviews Professor Jacques Bergman who is Professor of Gastrointestinal Endoscopy at the Amsterdam University Medical Center, Amsterdam on "Endoscopic duodenal mucosal resurfacing for the treatment of type 2 diabetes mellitus: one year results from the first international, open-label, prospective, multicentre study" published in paper copy in Gut in February 2020. Accessible online here: https://gut.bmj.com/content/69/2/295