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Specialty: Behavior

Gary Landsberg
Debra Horwitz
Marsha Reich
Debbie Calnon
Ilana Reisner
Kersti Seksel
Laurie Bergman
Sagi Denenberg
Ellen Lindell
Sally Nixon

Debra Horwitz

Board Certification

  • American College of Veterinary Behaviorists (ACVB) Behavior, 1996


  • Doctor of Veterinary Medicine (DVM), Michigan State University, 1975
  • Bachelor of Science (BS), Michigan State University, 1972

Current Professional Activities

  • Owner, Veterinary Behavior Consultations St. Louis, Missouri
  • Frequent lecturer and industry consultant on behavior
  • Creates and implements behavioral learning modules and programs for veterinarians and staff
  • Author of the BSAVA Manual of Canine and Feline Behavioural Medicine 1st and 2nd editions and the
  • Co-author of the Lifelearn Behavior programs materials
  • Section Editor for Behavior in The 5 Minute Veterinary Consultant 2nd, 3rd, 4th and 5th editions
  • Co-author Blackwell’s Five-Minute Veterinary consult Clinical Companion Canine and Feline Behavior
  • Co-editor of Decoding your Dog-a book by the American College of Veterinary Behaviorist on dog behavior for the public
  • NAVC Small Animal Speaker of the year in 2012 and 2014
  • Adjunct faculty at the University of Missouri Veterinary School
Past Professional Activities
  • Past-President of the American College of Veterinary Behaviorists
  • Past President of the American Veterinary Society of Animal Behavior
  • Private medicine practice.
Marital Status
  • Married to Gene Horwitz - not a veterinarian, but a computer geek.
  • Three grown children - not a veterinarian among them:
    • Jeff - Administrator of curriculum and student services at Chesterfield Day School in St. Louis
    • Laura - American Friends Service Committee planning and education specialist
    • Ben - New Orleans Police Department implementation of US Consent decree
  • I like traveling and relaxing with family and friends.
Favorite Quote
  • Everything works some of the time, nothing works all the time. (Seems apropos for behavioral therapy!)
What I like Most About VIN
  • The ability to easily reach so many in the veterinary community.
Debra Horwitz

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