Reactivity Expert Witnesses

Denver, Colorado

Dogs, Animals - Dog bite, Canine aggression, Dangerous dog, Dog training, Obedience, Reactivity, Leash handling, Handler conduct, Owner compliance, Training standards, Dog behavior, Canine liability, Bite risk, Reactive dogs, Aggressive dogs, Case review, Protection dogs, Behavioral evaluations, Aggression assessment, Temperament test

Dion Studinski is the owner and lead trainer of Ancillary K9 Dog Training in Denver, Colorado. He specializes in obedience, reactivity, aggression, leash behavior, owner handling, and practical behavior modification for companion dogs. Mr. Studinski provides consulting in matters involving dog bites, canine aggression, dangerous dog allegations, leash handling, handler conduct, owner compliance, dog training standards, training equipment, and the evaluation of dog and handler behavior before, during, and after incidents. His case work is focused on practical, real-world canine behavior rather than theoretical training models. He is available to review records, photographs, videos, incident reports, animal control materials, training histories, veterinary and behavior records, owner communications, and other case materials. He can assist attorneys in evaluating whether the conduct of the dog, owner, handler, trainer, business, or other involved party was consistent with reasonable ...

Horseshoe Bay, Texas

Chemical Engineering - Process Safety, Chemical Process Safety, Governance, Outsource Manufacturing, Leadership, Fires, Explosions, Management System, Chemical Exposure, Acid Exposure, Safe Work Practices, Permits, Toxic Chemical Release, Chemistry, Chemicals, Reactive Chemicals, Reactivity, Toxicity, Mechanical Integrity, Safeguards

• I am a recognized thought leader in process safety — co-author of two CCPS publications that define the standard of care in process safety litigation and governance: Process Safety: Leadership from the Boardroom to the Front Line (Wiley/CCPS, 2019) and Guidelines for Process Safety in Outsourced Manufacturing, 2nd Edition (CCPS, 2026). When opposing counsel challenges the standard of care, my opinions carry the weight of the CCPS frameworks I helped author. • My standard-of-care authority is grounded in 44 years of hands-on experience — 21 of them in direct operational roles including Plant Manager, Production Leader, and Site Director — running the chemical facilities where process safety is won or lost at the front line. That operational foundation distinguishes my analysis from purely academic or staff-function experts. • At Dow Chemical (Fortune 50), across two positions I led the corporate initiative that achieved a cumulative 90% reduction in Tier 1 incidents over ten year...