Born on August 18, 1965, Bob Harper is personal trainer who is most famous for his work on The Biggest Loser, which he has been a part of since 2005. Besides training celebrities, he also works as a yoga instructor in Los Angeles. Harper, who studied at Austin Peay State University, is also famous for his workout DVD entitled Bob Harper: Inside Out Method, which was released shortly after the successful launch of his website mytrainerbob.com.