Dr. Denis J. Marcellin-Little graduated from the National Veterinary School of Toulouse in France, then completed an internship at Hollywood Animal Hospital in Hollywood, Florida, and a small animal surgery residency at NC State University, where he remained on the faculty from 1994 to 2017.

He is currently a professor of orthopedic surgery and department chair at the University of California, Davis.  Dr. Marcellin-Little is a diplomate of the American and European Colleges of Veterinary Surgeons and a charter diplomate of the American College of Veterinary Sports Medicine and Rehabilitation. He specializes in orthopedic surgery, orthopedic research and physical rehabilitation for companion animals.