Dr. Ian Dunbar is a veterinarian, animal behaviorist, and writer. He received his veterinary degree and a special honors degree in physiology and biochemistry from the Royal Veterinary College (London University) and a doctorate in animal behavior from the Psychology Department at the University of California, Berkeley, where he spent ten years researching olfactory communication, the development of hierarchical social behavior, and aggression in domestic dogs. Dr. Dunbar is a member of the Royal College of Veterinary Surgeons, the International Society for Applied Ethology, the American Veterinary Society of Animal Behavior, the California Veterinary Medical Association, the Sierra Veterinary Medical Association, and the Association of Pet Dog Trainers.