TERRIFIC! I recently adopted a Pit Bull mix puppy who is such a sweet boy, but he has extremely strong jaws and tends to be quite mouthy. Being the strong breed he is, I wanted to correct this behavior as soon a possible and establish that I am the leader. Jack was wonderful and gave quick training tips that immediately made a difference within the first session. We soon learned my pup is a tad sensitive, so Jack catered the training to my pup's personality and helped me correct his behavior in a way that he learned and wouldn't be fearful of me. It was obvious Jack wanted my pup to be the happiest and best dog he could. Jack was extremely thorough by providing a lot of helpful information. I highly recommend Bark Busters and Jack as a trainer because the personalized training was a unique experience that my pup and I both enjoyed. Jack followed up with our training session and was eager to visit again whenever needed.