qualified from Oxford University in 1987 and completed his MD thesis at the Royal Postgraduate Medical School in 1993. He has been a consultant physician specialising in diabetes and endocrinology in Harrogate since 1996. He has established Harrogate as a nationally recognised centre for insulin pump therapy and related technologies, such as continuous glucose sensing. He has a particular interest in the use of these technologies to improve the outcomes for diabetes in pregnancy. He has been expert adviser to both NICE appraisals of insulin pump therapy. He was NHS Diabetes Clinical Lead for Insulin Pump therapy, a member of the NICE Type 1 Diabetes in Adults guideline development group and co-author of the DTN guidelines on insulin pump therapy and use of diabetes technology in pregnancy. He has been involved in research into the role of insulin pump therapy and related technologies, notably the Five Nations Study, REPOSE, SMILE and ADAPT.