Ellen M. Lindell, VMD, DACVB, is president of the American College of Veterinary Behaviorists and owner of Veterinary Behavior Consultations in New York, Connecticut, and North Carolina. Dr. Lindell is also a behavior consultant for Veterinary Information Network and has lectured extensively. She has written chapters for several publications, including the BSAVA Manual of Canine and Feline Behavior, Blackwell’s 5-Minute Veterinary Consult, the newly updated Blackwell’s 5-Minute Consult: Canine and Feline Behavior, and Decoding Your Dog.