David Mitchell is a Vascular and Renal Transplant surgeon at North Bristol NHS Trust. His areas of special interest are vascular access, peripheral arterial disease and quality improvement in vascular surgery. He trained in London and Wessex with a fellowship in Queensland. He was appointed to his current post in 1994. He is the quality and safety lead for the Bristol, Bath and Weston vascular network. Previously he was chair of the Audit and Quality Improvement Committee of the Vascular Society. He is the director of the National Abdominal Aortic Aneurysm Quality Improvement Programme and helped develop the National Vascular Registry at the Royal College of Surgeons.