Dion Studinski

Dion Studinski is the founder of Ancillary K9, a dog training practice based in Denver. He is trusted nationwide as an expert in dog aggression and behavior, with a deep understanding of canine psychology built over years of hands-on experience.

His approach goes beyond command-based training to target the root causes of behavior. Ask him about leash aggression, rescue dog behavior, or working with dogs labeled untrainable.