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. get to know us better 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. discover more about me 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. dig into our expertise 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! book a session