Aggression
Aggression toward humans or other animals, including dogs other trainers turned away. Full behavior assessment, counter-conditioning, and desensitization.
Does your dog ignore you the second a distraction shows up?
Has your dog shown aggression toward people or other animals?
Does your dog bark nonstop or panic the moment you leave?
Are you afraid to ever let your dog off leash?
Have other trainers turned your dog away?
If you answered yes to any of these, you're not alone. And there IS a solution.
Book Your Free Phone ConsultationStep 1
Book your free phone consultation. Mitchell personally takes every call: no call centers, no gatekeepers. He'll ask the right questions and tell you exactly what your dog needs.
Step 2
Schedule your paid evaluation. Mitchell meets your dog, assesses behavior, and builds a custom training plan. Your evaluation is credited toward your program, so it is virtually risk-free.
Step 3
Your dog enters the board & train program. Mitchell handles everything. You get progress updates and owner-coaching sessions so you are ready when your dog comes home.
Every breed. Every age. Every behavioral issue.
Aggression toward humans or other animals, including dogs other trainers turned away. Full behavior assessment, counter-conditioning, and desensitization.
Dogs that cannot cope when you leave learn structure, confidence, and calm.
Mitchell has seen it and trained through it, for every breed and every age.
Nervous dogs and anxious puppies build the steady habits that keep them composed.
Off-leash reliability, distraction-proofing, and e-collar conditioning you can trust.
Start strong with a foundation that prevents bad habits before they take hold.
Most Popular
Mitchell's most popular program and his top recommendation for most dogs.

For dogs displaying aggression toward humans or other animals.

The most comprehensive program available.


About the Trainer
He joined the Marine Corps at 17, served as a Military Police Officer, and earned his credentials as a Military Working Dog Handler and Trainer, working alongside his retired working dog, Xxcalibur. Since relocating to Texas in 2019, Mitchell has trained dogs of every breed and temperament: from anxious puppies to aggressive dogs that other trainers turned away.
With over a decade of hands-on experience and training from workshops and seminars around the world, Mitchell brings military precision and genuine passion to every dog that comes through his program.
Mitchell's credentials aren't from a weekend certification. They come from years of real-world service alongside working dogs in California, Japan, and Texas.
From separation anxiety and excessive barking to full aggression rehabilitation, Mitchell has seen it and trained through it.
Owner-coaching sessions are built into every program so the results don't stop when your dog comes home.

Xcaliber Dog Training provides professional board and train programs for pet owners throughout Spring Branch, San Antonio, and the Texas Hill Country, including clients across the 830 and 210 area codes.
Book your free phone consultation today and find out exactly what program your dog needs. Spots are limited: Mitchell takes on 8 to 12 dogs per month and prioritizes serious owners ready to invest in lasting results.
Call (830) 555-0100