Dr. Barrett is an associate professor of equine diagnostic imaging Colorado State University. Dr. Barrett's primary research and clinical interests are equine musculoskeletal imaging and comparative imaging, and she works closely with the equine surgery and sports medicine services. She is a founding partner of Inside information Radiology, a dedicated equine teleradiology service. She routinely speaks at equine veterinary meetings and is regularly involved in continuing education courses, including courses that draw an international audience. Dr. Barrett is dedicated to the advancement of the specialty of equine diagnostic imaging and is currently the president of an AVMA newly recognized subspecialty – ACVR-Equine Diagnostic Imaging. Outside of work, she enjoys biking, skiing, riding horses, and spending time with her family. 

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.