David graduated from the University of Edinburgh, and after a period in general practice moved to the University of Cambridge to complete a PhD in molecular genetics of inherited eye diseases, followed by a clinical residency and then lectureship in veterinary ophthalmology at the University of Bristol. Following this he joined Davies Veterinary Specialists, where he currently leads a 6-person ophthalmology team, including 3 residents. David is Chair of the European College of Veterinary Ophthalmology Examination Committee, overseeing the ECVO specialist exams. He is a member of the UK BVA/KC/ISDS Hereditary Eye Scheme and of its Working Party. David is also eye examiner for the UK Guide Dogs, responsible for eye testing of the UK guide dog breeding stock. David was awarded FRCVS status in 2017 for meritorious contributions to clinical practice.