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Biography of the Fitness Trainer Bob Harper

author image Laura Williams
Laura Williams has worked in recreation management since 2004. She holds a master's degree in exercise and sport science education from Texas State University, as well as a B.A. in exercise and sport science from the University of Mary Hardin-Baylor.
Biography of the Fitness Trainer Bob Harper
Bethany hosts Bob Harper on her day time television show Photo Credit: Neilson Barnard/Getty Images Entertainment/Getty Images

Bob Harper shot to fame in 2004 with the start of the NBC TV show "The Biggest Loser," a show designed to help obese individuals achieve significant weight loss. As one of the two fitness trainers on the show, Bob's gregarious and upbeat personality quickly made him a fan favorite, generating interest in his personal life.

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Before Personal Training

Bob Harper was born in Nashville, Tennessee on August 18, 1965. He grew up and attended school in Nashville, but didn't pursue athletics during his teenage years. He attended Austin Peay State University in Clarkesville, Tennessee and then received a personal training certification from the American Fitness Training of Athletics, followed by a second certification from the Aerobic and Fitness Association of America.

Fitness Training Career

Bob Harper moved to Los Angeles and began a career in personal training, developing a following of celebrity clients including Jennifer Jason Leigh, Ben Stiller, Selma Blair and Gwyneth Paltrow, according to the Fatty Weight Loss website. During this time he also developed a personal brand of fitness promotion, focusing on total-body transformation that integrates the mind, body and spirit.

"The Biggest Loser"

"The Biggest Loser" premiered in October 2004 and quickly became one of the most popular reality shows on TV. Bob Harper's role as trainer on the show pushed him into the limelight and opened doors for him as a TV personality. His association with the show has led to TV appearances on shows like "Ellen," "The Tyra Show," "Larry King Live" and the "Today" show. He has also developed fitness DVDs, written books and been featured on "The Biggest Loser" video games.

Personal Life

Bob Harper keeps his personal life pretty quiet, choosing not to respond to questions regarding his sexuality. While he is not married, it's unclear whether or not he's single.

According to, Bob works out six days a week for roughly 90 minutes each day. He keeps his workouts varied, choosing between activities like running, indoor cycling, interval training and yoga. His diet consists of fruits, vegetables, plant proteins and lots of water, and he advises that people stay away from processed foods as much as possible.

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