Zak George is no doubt the most popular and one of the most outspoken dog trainers in social media, as he tells the truth – based on science – regarding dog training methods. He’s totally no fan of the use of shock collars and takes a deep dive in describing why. Included is how to choose a dog trainer, how to best deal with reactive dogs, and being dominant or alpha “over dogs.” He explains, “If you take care of the bond, the training takes care of itself.”