dog resting on mountain top in Columbia Gorge

training for dogs + their people

We are committed to fear-free, force-free, shame-free support of dogs and their people. To do this, we work with you build and maintain healthy relationships between humans and dogs. Our focus is on mutual respect, clear communication and sparkling skills. Our approach: modern, ethical, science-informed positive reinforcement training with heart.


Christina Gray training two happy dogs on mountain

meet founder christina gray

Hi! I’m Christina, the two-legged heart behind Great Heart K9. I’ve worked professionally with dogs for more than a decade. I love behavior science and coaching people as well as dogs. My aim is to meet you and your dog wherever you are, help you reach your goals and enrich your life together.


happy dog-on-leash-hiking with person

services

GHK9 specializes in basic skills, reactivity, separation training, vet visits, cooperative care, rescue dogs, puppies, adolescents, adventure dogs and more. We’re based in Portland, Oregon, and can work virtually anywhere.


happy dog on log engaged with person

train with us

Dogs have naturally great hearts. When we let them, they make our hearts great, too. We can’t wait to meet you and your dog and help you build a wonderful life together!