Cyril Wayne McIlwraith (born 12 December 1947) is the founding director of the Orthopaedic Research Center, a University Distinguished Professor in orthopaedics and holds the Barbara Cox Anthony University Chair in Orthopaedic Research at Colorado State University. He is a New Zealander who has had most of his career in the United States and is an equine orthopaedic surgeon and orthopaedic researcher. He pioneered many of the techniques in equine arthroscopic surgery including writing the textbook “Diagnostic and surgical arthroscopy in the horse” (four editions). He is noted for significant achievements in the fields of osteoarthritis cartilage injury, regenerative therapies and contributions on understanding of joint pathology and repair, the development and validation of equine models o