Jacks was certified as Master Trainer from the prestigious National K-9 Cneter for Dog Trainers in Columbus, Ohio over 17 years ago. National K9 is regarded as the leader in the field of dog traing, behavior modification and dog trainer education. Jack still attends workshops at National K-9 and studies with behaviorists across the United States and in England to continue honing his skills. Visit the website for Q&A, blogs, videos, photos and discussions.