Dog trainer and television personality who is known for presenting the CBBC series Who Let the Dogs Out? and various other shows on Animal Planet. He also presented the 2009 show SuperFetch. His dog training relies heavily on positive reinforcement. He started off as a YouTube star before becoming a television show host. His Zak George's Dog Training rEvolution had reached more than 550,000 subscribers over a ten year period since he created the channel in September of 2006.
