Sophia Yin (February 5, 1966 – September 28, 2014 in Davis, California) was a veterinarian, applied animal behaviorist, author and lecturer. She was a pioneer in the use of positive reinforcement for training dogs, and was widely recognized as an expert in the training of pets. Yin graduated from University of California, Davis (UC Davis) in 1993 with a Doctor of Veterinary Medicine (DVM). After graduation, she worked in private practice, where she realized that more pets were euthanized due to behavioral problems than medical issues. This inspired Yin to return to university to study animal behavior, and in 2001, she returned to UC Davis to obtain her Master's in Animal Science under the supervision of Dr. Edward Price, completing her thesis on vocal communication in dogs. After obtaining her master's degree, Yin remained at UC Davis for five years, lecturing and supervising student research projects. More information...
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