The Great Big
Dog Aggression Workshop

Dr. Pachel received his veterinary degree from the University of Minnesota in 2002 and became board certified by the American College of Veterinary Behaviorists in 2010.  He has operated house-call, office-based, and telemedicine-focused behavior practices and is currently the owner and lead clinician at the Animal Behavior Clinic in Portland, OR.  Dr. Pachel lectures throughout the world, teaches courses annually at multiple veterinary schools in the US, and has authored articles and book chapters on topics such as Intercat aggression, Behavioral euthanasia, and Pet selection for animal assisted therapy.  He is a sought-after expert witness for legal cases involving animal behavior and serves on the Editorial Advisory Board for dvm360. Dr. Pachel is a Vice-president of Veterinary Behavior on the executive leadership team for the Instinct Dog Behavior and Training franchise, as well as co-owner of Instinct Dog Behavior and Training Portland. Dr. Pachel is also a specialist consultant for Dutch Pet (a veterinary telemedicine platform), a veterinary behavior expert for The Vets (a nationwide housecall-based veterinary care provider), and a leading veterinary expert for AnyQuestion (an app-based information service launched in 2022).  

Michael Shikashio, CDBC, is the founder of AggressiveDog.com and focuses on teaching other professionals from around the world on how to successfully work aggression cases. He is a five-term president of the International Association of Animal Behavior Consultants (IAABC) and was the Association of Professional Dog Trainers (APDT) Member of the Year in 2020. Michael is sought after for his expert opinion by numerous media outlets, including the New York Times, New York Post, Fox News, The List TV, Baltimore Sun, WebMD, Women’s Health Magazine, Real Simple Magazine, SiriusXM Radio, The Chronicle of the Dog, and Steve Dale’s Pet World. He also hosts the popular podcast show “The Bitey End of the Dog” where he chats with the foremost experts on dog aggression. He has been a featured keynote speaker at conferences, universities, and seminars in more than 200 cities and 14 different countries around the world, and offers a variety of educational opportunities on the topic of canine aggression, including the Aggression in Dogs Master Course and the annual Aggression in Dogs Conference.