About Dr. Sinn

​Dr. Sinn is a veterinarian and an animal lover as well as a certified professional trainer. With a practice limited to behavior, she specializes in finding solutions for all types of behavioral issues and concerns. She believes that the bond between people and their pets is special.


Experience & Credentials:

  • Certified professional dog trainer- knowledge assessed (CPDT-KA) by the Certification Council for Professional Dog Trainers

  • 40+ years practical experience teaching, training and working with dogs, cats, horses, llamas, cattle, goats, sheep, pigs, raptors, parrots, exotics, zoo and laboratory animals

  • Former Assistant Dean & Professor, Veterinary Technology Program, Northern Virginia Community College​​​

  • Doctor of Veterinary Medicine, University of Georgia

  • Internship Small Animal Medicine & Surgery, University of Georgia

  • B.S. Animal Science, University of Georgia​


Media & Podcasts

June 21, 2018: UNLEASHED Podcast: Setup for success- What works for you? 

With Colleen Pelar,  Dr. Leslie Sinn talks about setting ourselves up for success, both in daily life and when training our pets.

November 14, 2017: Invisible Fences and Electronic Collars

On the Your Family Dog podcast, Dr. Leslie Sinn, a board-certified veterinary behaviorist, joined Julie Fudge Smith and Colleen Pelar to talk about hidden dangers of invisible fences and shock collars.

March 16, 2018: WTOP- Dr. Sinn discusses Super Pet Expo in Chantilly