The Great Big Dog Aggression Workshop


The Great Big Dog Aggression Workshop


Early Bird Tickets (Until July 1, 2023)

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The Great Big Dog Aggression Workshop

Meds, Mood, and Modification
November 11 - 12, 2023

Sheraton Ontario Airport Hotel

— 429 North Vineyard Avenue Ontario, CA 91764

You don't want to miss this one!

Join Dr. Pachel and Mike as they take a deep dive into aggression and the underlying motivations for aggressive behavior in dogs. This will be an amazing two-day workshop with two of the most sought-after experts in the dog behavior world!


Dr. Chris Pachel

Dr. Chris Pachel


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).

Mike Shikashio

Mike Shikashio


Michael Shikashio, CDBC, is the founder of 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.

Workshop Topics

9:00AM - 5:00PM

Great Big Feelings: Understanding the Emotions Influencing Dog Aggression
Dr. Chris Pachel

Ready, Set, Emotion!
Michael Shikashio CDBC

Under the hood: Medical Factors Influencing Aggression Cases
Dr. Chris Pachel

You Hurt My Feelings!
Michael Shikashio CDBC

9:00AM - 5:00PM

Being a Second Set of Eyes
Michael Shikashio CDBC

Medication Use for Aggression Cases: Applications & Considerations
Dr. Chris Pachel

On the Right Track: Successful Collaboration Strategies for Monitoring Medication Use in Behavior Cases
Dr. Chris Pachel

The Good, the Bad, and the Growly
Michael Shikashio CDBC

12 CEUs Approved for CCPDT, KPA, IAABC

Register Now

Early Bird Tickets (Until July 1, 2023): $285
After July 1, 2023: $325

Admission to the Sheraton Ontario Airport Hotel and validated onsite parking.

Special conference guest room rate of $159, includes airport transfers.

Shelter discount available.

Phone (951) 412-5100 for information

Refund Policy:

Until July 1, 2023: 100% of ticket price
July 1 – October 31, 2023: 50% of ticket price
No refunds available after October 31, 2023

Location & Travel

Workshop Location

Sheraton Ontario Airport Hotel

— 429 North Vineyard Avenue Ontario, CA 91764
Special conference guest room rate of $159, includes airport transfers

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Early Bird Ticket, Regular Ticket

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