Aggression in Dogs

A Master Course for Trainers and Behavior Consultants

  • Unparalleled Experience

    The most comprehensive course on dog aggression for trainers and behavior consultants available anywhere in the world.

  • Expert Instruction

    Taught by world renowned aggression expert, Michael Shikashio CDBC, with additional modules presented by Dr. Chris Pachel DVM, DACVB, CABC, Jessica Dolce CCFE and Kim Brophey CDBC.

  • Set Yourself Apart

    Stand out from the crowd by showing your clients and colleagues you have the requisite skills and knowledge to work aggression cases.

What is Included

A complete, self-paced course with access to a community of behavior professionals working with aggression in dogs, and live group mentor sessions led by Michael Shikashio CDBC.

  • 23 modules taking you through working aggression cases from start to finish. Includes a full year of access to the course and lifetime access to the mentor sessions!

  • Safety, behavior change strategies, communicating with clients, defensive handling, troubleshooting, assessing risk, case studies, and more. This course covers it all.

  • Lifetime access to bi-weekly online group mentor sessions with Michael Shikashio CDBC. Each session will focus on a specific type of aggression case.

  • Access to a private Facebook community where you can discuss your own cases and join a community of like-minded professionals working with aggression.

  • A certificate of completion and logo to demonstrate and market your knowledge about working with aggression in dogs.

  • 30 CEUs for CPDT-KAs; 30 CEUs for CBCC-KAs, 30 CEUs for KPA; 36 CEUs IAABC; 32 CEUs for PPAB; 22 CEUs for PACCC; 12 CE Points for PPG Australia; 19 CEUs for IATCB; Approved provider of content for CAWA examination specifications

  • Closed Captioning is available in the course!

Access the Course

23 modules about every aspect of working aggression cases from start to finish. Lifetime access to online bi-weekly group mentor sessions with Michael Shikashio CDBC. Private Facebook group to discuss your cases.

See what people are saying!


Heidi Hurdy CPDT-KA

"This is a fantastic course! I recommend this course for every dog trainer even if they don't plan on specializing in aggression!"

The best!

Mary Perrego CPDT-KA

"Hands down the best course on aggression I've ever taken. There wasn't one module that didn't help me."

Amazing Course!

Laura Hunter - Dog Trainer - Ontario

"So many tools for management and safety! And great case studies to watch!"


Liselot Boersma - Dog Welfare and Behavior Consultant

"I highly recommend dog professionals (behavior consultants especially) to purchase and dive into the 'Aggression in Dogs' master course that Mike is offering. It is an outstanding course, brought to you by very passionate and experienced people. Mike also shows and shares many of his case studies where you can actually see the magic happen. Theory is one thing, but bringing it to practice and sharing it..👌 So impressive and valuable! I hope many professionals will take notice of this awesome opportunity to learn, and join in..!"

Absolutely recommend!

Gina Lehuta Nichols CPDT-KA

"I absolutely recommend! Michael knows what he’s doing and has been so helpful to me!"

Taught by a world renowned expert working with aggression in dogs.

Michael 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 18 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.


  • When does the course start?

    The course runs year round and is self-paced. You can start at anytime! Access to live group mentor sessions with Michael start when you have completed the self-paced modules portion of the course.

  • I have dog training experience but have never worked an aggression case. Is this course right for me?

    Absolutely! We have found that there are limited opportunities to learn how to work with aggression in dogs, whether through a mentor or online. That is why we created this course!

  • Who should take this course?

    Anyone with experience training dogs who is looking to expand their knowledge and skill set working aggression cases. Pet guardians, dog trainers, behavior consultants, shelter behavior staff, and veterinarians with an interest in behavior can benefit from this course!

  • How long do I have to take the course and how long does it typically take to finish?

    Students have one year from the date of purchase to complete the course and it all depends on how much time you dedicate to learning! The course is self-paced, which allows you to learn based on your schedule.

  • Do you have a detailed course syllabus?

    Sure do! Scroll down on this page for a detailed list of all the modules.

  • Do you accept payment plans?

    Yes we do! Please go to this link for the payment plan option:

  • What methods do you use in this course?

    Mike discusses and demonstrates how to effectively use differential reinforcement strategies, desensitization, and classical counterconditioning with aggression cases.

  • When, where, and how long are the live group mentor sessions?

    The mentor sessions are one hour long and happen every other Tuesday at 3pm and 8pm EST unless it is a major U.S. holiday. A schedule of times and topics will be emailed to you upon your completion of the course modules. Additional days and times may be added, dependent on the number of students who are taking the course at a particular time. The dates and times are arranged to accommodate different locations around the world. Students are welcome to attend any of the time slots. We use Zoom for live video chat. Each session will be unique as we dive into different types of aggression cases and scenarios!

Course Syllabus

  • Welcome to the Course!
  • The Flow of an Aggression Case
  • The Consequences for Dog Bites
  • Safety First! Management Principles and Equipment in Aggression Cases
  • BEFORE Meeting with the Client
  • Dog Body Language Specific to Aggression Cases
  • Defensive Handling and Leash Skills
  • How to Break up a Dog Fight
  • History Taking and What Really Matters
  • Initial Greetings and Observations - What to Look For!
  • Prognosis - The Key to Realistic Expectations, Avoiding Burnout, and Compassion Fatigue
  • Client Consulting - Navigating Difficult Conversations, Improving Client Commitment, and Fostering Success
  • Ethological Considerations for Aggression Presented by Kim Brophey CDBC
  • Medical Issues and Behavior Medication in Aggression Cases Presented by Dr. Chris Pachel DVM, DACVB, CABC
  • Behavior Modification Principles in Aggression Cases
  • Dog to Human Aggression - Behavior Cases Part One
  • Dog to Human Aggression - Behavior Cases Part Two
  • Dog to Human Aggression - Behavior Cases Part Three
  • Dog to Dog Aggression - Principles
  • Dog to Dog Aggression - Behavior Cases
  • Resource Guarding - Principles
  • Resource Guarding - Behavior Cases
  • Compassion Fatigue - What It Is and Why You Need to be Aware of It - Presented by Jessica Dolce CCFE
  • Putting it All Together and Next Steps for Success