Dr Tom Crabtree is a Diabetes & Endocrinology registrar and ABCD research fellow working at the University Hospitals of Derby and Burton NHS Trust. He is current chair of the YDEF committee. His interests include diabetes technology, type 1 diabetes and lessons from real-world data. Currently he is heavily involved in collecting and analysing data from the NHS England closed-loop Insulin delivery system pilot; has been a member of the team managing people with closed-loop systems during the pilot and has been involved in the development of the Diabetes Technology Network UK pathway due to launch shortly.