David is a European Specialist in Equine Surgery and his main area of interest is orthopaedic surgery and lameness. David qualified from University College Dublin in 2003, before travelling to New York where he worked for four years. Subsequently returning to Ireland he established his own equine practice, focusing on imaging and treatment of equine athletes. David then completed his equine surgery residency programme at University College Dublin (UCD) before successfully obtaining a professional doctorate in orthopaedic ultrasound techniques. David moved to the UK in 2016 where he worked as a surgeon in Western Counties Equine Hospital and then Bourton Vale Equine Clinic. David now heads the orthopaedic and imaging service in the Philip Leverhulme Equine Hospital, University of Liverpool. His most recent research involves investigating contrast ultrasonography, pelvic CT, and ultrasound-guided sacroiliac and cervical facet injection techniques. He has also published work in the fields of joint surgery and synovial sepsis.

Roger Smith is Professor of Equine Orthopaedics at the Royal Veterinary College, London, UK. He qualified as a veterinary surgeon from Cambridge University (UK) in 1987, having obtained a First for his undergraduate degree and a Cambridge Blue at swimming. After 2 years in practice, he returned to academia to undertake further clinical training as a Resident in Equine Studies at the Royal Veterinary College. Following his residency, he undertook a 3 year research project culminating in the award of a PhD for his studies on the extracellular matrix of equine tendon.

He remained at the Royal Veterinary College, first as a Lecturer in Equine Surgery, then as Senior Lecturer in Equine Surgery before his appointment as Professor in Equine Orthopaedics in December 2003.

He holds the Diploma of Equine Orthopaedics from the Royal College of Veterinary Surgeons and is a Royal College of Veterinary Surgeons Specialist in Equine Surgery. He is a Diplomate of the European Colleges of Veterinary Surgeons and Veterinary Sports Medicine and Rehabilitation, and is also a Large Animal Associate of the European College of Veterinary Diagnostic Imaging.

In 2016, he was awarded the Fellowship of the Royal College of Veterinary Surgeons for meritorious contribution to knowledge and was elected to president of the European College of Veterinary Surgeons in July 2017.

He divides his time between running a specialist orthopaedic referral service within the Royal Veterinary College, where he is involved in lameness diagnostics, imaging and orthopaedic surgery, and continuing to direct research into equine tendon disease. His principal research interests are understanding the pathogenesis of tendon disease, diagnostics for tendon and ligament disease, and stem cell therapy for tendons in both horses and humans.

He is married to a medical doctor and has two sons.