Professional dog trainer Larry Krohn, owner and trainer at Pak Masters dog training of Nashville Tennessee and Bowling Green, Kentucky. Larry specializes in many areas of dog training and is best known as a top Remote Collar Trainer and Dog Aggression Specialist. Larry is also a Federal Agent and has been for 23 years. Pak Masters offers family style board and trains meaning we only take one dog at a time and your dog lives as part of my family, and we also offer one on one private sessions