Sue M. McDonnell, PhD, is a certified applied animal behaviorist and the founding head of the equine behavior program at the University of Pennsylvania’s School of Veterinary Medicine. She is also the author of numerous books and articles about horse behavior and management.

Jim Lowe, DVM, is the technical services veterinarian for the large animal business unit of Vetoquinol USA. He received his doctorate in veterinary medicine from Texas A&M University in 1995 and earned additional degrees in veterinary science and wildlife and fisheries sciences. Currently licensed to practice in Texas, he previously ran a large animal ambulatory service in Arkansas with his wife. Lowe is member of the American Veterinary Medical Association, Texas Veterinary Medical Association, American Association of Equine Practitioners, American Association of Bovine Practitioners, and the American Embryo Transfer Association.