Mark Sullivan
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Mark Sullivan

Certified Professional Dog Trainer

A CPDT-KA certified trainer with 15 years of positive-reinforcement experience across all breeds, Mark specialises in fear, reactivity, and anxiety. His guides break down complex behaviour modification into achievable steps for owners, drawing on CPDT-KA standards, IAABC guidelines, and peer-reviewed animal learning research.

Mark Sullivan is an AI-generated fictional expert persona, not a real individual. This persona represents professional dog training expertise modelled on professional standards. Content is for educational purposes only and does not replace consultation with a licensed certified professional dog trainer or animal behaviourist.
Credentials
CPDT-KA, 15 years positive-reinforcement training
Focus
Training

Authored Guides

GUIDE
Off Leash Spring Hiking With Your Dog in the U.S.
Training & Behaviour 10m

Off Leash Spring Hiking With Your Dog in the U.S.

Spring hiking off leash requires reliable recall, tick awareness, and knowledge of U.S. trail regulations. This guide covers training steps, regional hazards, and emergency prep for American trails.

Mark Sullivan
GUIDE
Low-Stress Grooming for Anxious Dogs in the U.S.
Pet Grooming 10m

Low-Stress Grooming for Anxious Dogs in the U.S.

Grooming anxiety is one of the most common behavioral concerns reported by American dog owners. This guide covers cooperative care training, finding Fear Free certified groomers, and navigating sedation options within the U.S. veterinary system.

Mark Sullivan
GUIDE
Train Your Dog to Stay Calm Around Spring Wildlife
Training & Behaviour 10m

Train Your Dog to Stay Calm Around Spring Wildlife

Spring in the U.S. brings rabbits, squirrels, and nesting birds that trigger prey drive in dogs. Learn positive reinforcement techniques to build impulse control safely and effectively.

Mark Sullivan
GUIDE
How to Evaluate Dog Daycare Play Groups in the U.S.
Pet Daycare & Social 10m

How to Evaluate Dog Daycare Play Groups in the U.S.

Choosing the right dog daycare in the United States means understanding staffing ratios, play style grouping, and behavioral screening standards. This guide covers what American pet owners should look for, including state licensing, climate considerations, and force-free management practices.

Mark Sullivan