Dr. Horwitz received her DVM from Michigan State University College of Veterinary Medicine and is a diplomate of the American College of Veterinary Behaviorists. She is a frequent lecturer in both North America and abroad on behavioral topics to veterinarians and pet owners and often featured on both television and radio and is a behavioral consultant on VIN. Her newest book Blackwell's Five-Minute Veterinary Consult Clinical Companion: Canine and Feline Behavior 2nd edition was published in January 2018. She is also the lead editor of Decoding your Dog, a book for pet owners authored by diplomates of the American College of Veterinary Behaviorists. She was president of the American College of Veterinary Behaviorists 2006-2008. In 2012 she received the Veterinarian of the Year by Ceva Animal Health and has been voted NAVC 2012 and NAVC 2014 Small Animal Speaker of the Year.