Dr. Sophia Yin, a 1993 graduate of the UC Davis School of Veterinary Medicine, is the author of two books: The Small Animal Veterinary NerdbookÆ, a best-selling textbook for veterinarians, and How to Behave So Your Dog Behaves. She earned her Master's in Animal Science in 2001 from UC Davis where she studied vocal communication in dogs and worked on behavior modification in horses, giraffes, ostriches, and chickens. During this time she was also the award-winning pet columnist for the San Francisco Chronicle. Upon receiving her degree focused on animal behavior, Dr. Yin served for five years as a lecturer in the UC Davis Animal Science Department. She taught three upper division undergraduate courses in domestic animal behavior and supervised students in various animal training and behavior research projects.

She also developed the MannersMinder positive reinforcement dog training system currently being sold by Premier Pet. Dr. Yin currently sees behavior housecalls, works at San Francisco Veterinary Specialists (www.SFVS.net), writes for several veterinary and popular magazines, and lectures internationally on animal behavior. She is also on the executive board for the American Veterinary Society of Animal Behavior. For tips and to view video on dog training (or cat, chicken, horse, giraffe, goat…. training), or for more information about animal behavior in general, visit her website at www.AskDrYin.com.