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David Adams

Aug 7, 2026

Dog Trainers

Alex Abreu

Dog trainer in Jacksonville

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Meet Alex, Your Trusted Dog Trainer in Jacksonville, FL.Alex brings over 12 years of expertise as a dog trainer and retired Navy veteran. His career began with leading patrol, detection, and obedience training for working dogs, establishing a strong foundation in canine behavior and training techniques.Transitioning from the Navy, Alex became a lead service dog trainer, specializing in supporting veterans with PTSD, Traumatic Brain Injuries, and MST. His dedication led to a Master's Degree in behavioral sciences and crisis management, integrating military experience with advanced behavioral insights.Beyond his work with service dogs, Alex is a seasoned behavioral therapist in ABA therapy, supporting clients with special needs in special education.In Jacksonville, FL, Alex offers comprehensive dog training services tailored to every canine companion: Puppy Training: Foundational training for young dogs. Dog Obedience Training: Essential commands and manners. Behavioral Training for Dogs: Addressing specific behavioral issues. ‚Positive Reinforcement Dog Training: Encouraging desired behaviors. Agility Training for Dogs: Physical and mental stimulation through agility exercises. House Training for Dogs: Establishing good habits in pets. Canine Behavior Modification: Techniques to modify undesirable behaviors. Potty Training for Dogs: Assisting with toilet training. In-Home Dog Training: Personalized sessions at clients' homes. Group Dog Training Classes: Socialization and learning in a group setting. Service Dog Training: Specializing in service dogs for veterans. Therapy Dog Training: Preparing dogs for therapy work. Basic Dog Commands: Teaching commands like sit, stay, and come. Advanced Dog Training: Specialized skills training. Dog Training Tips: Insights and advice on dog training techniques.Alex's approach focuses on building trust between owners and pets, fostering confidence and harmony in every household. Beyond his professional pursuits, Alex teaches Brazilian Jiu Jitsu at his gym, instilling discipline and self-defense skills in all ages.For personalized dog training services in Jacksonville, FL, Alex is your local expert. Whether you're seeking "dog trainer near me" or specific training programs like puppy training in Jacksonville, FL, Alex provides tailored solutions to meet your needs.

Dog training services include

  • In home training
  • Puppy training

Testimonials

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“I cannot say enough good things about Sit Happens and Alex. Before working with him, our dog was out of control — pulling on the leash, not listening, jumping on guests, and honestly just overwhelming to handle. We had tried other trainers before and nothing really stuck. From the very first session, Alex was different. He didn’t just train our dog — he trained us. He explained everything in a way that made sense and gave us simple, clear steps to follow. The structure and consistency he teaches truly work. Within just a short time, we saw a complete transformation. Our dog is calmer, listens off-leash, and we actually enjoy taking her places now. The biggest difference is the ongoing support. Alex is always available to answer questions and genuinely cares about long-term success, not just finishing sessions and moving on. If you’re in Jacksonville or St. Johns and serious about real results, Sit Happens is the way to go. This isn’t cookie-cutter training — it’s personalized, structured, and life-changing.”

— Peterson R.

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David Adams

Aug 7, 2026

Dog Trainers

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