Ethan McMahon has dedicated his life to helping dog's and their owners live happier lives together. With years of expertise, he has been able to help hundreds of families & their dogs across San Diego County. Whether its aggression, separation anxiety, puppy biting, or anything in-between, Ethan will be able to help you out and change your dog's life within weeks. ​"I use positive reinforcement as my main tool when modifying a dog's behavior.