Bob Harper

Robert "Bob" Harper (born August 18, 1965) is an American personal trainer and author. He appears on the American television series The Biggest Loser. On September 8, 2015, Harper was announced as new host of The Biggest Loser, succeeding Alison Sweeney. He is an advisor on The New Celebrity Apprentice.

Harper has worked as a personal trainer for celebrity clients, including Jennifer Jason Leigh. In 1999, he was cast as an extra in Melissa Etheridge's hit video for the song "Angels Would Fall" from her album Breakdown. He is featured as a trainer on the United States version of The Biggest Loser reality television series. He has been a trainer on the NBC show since 2004 and has appeared in several Biggest Loser DVD workouts. Harper featured in the first three seasons of the Australian version of the show.

In addition to his appearances, speaking dates, and writing, Harper teaches regular classes in Los Angeles and works as a yoga instructor.

In early 2010, Harper launched mytrainerbob.com, a website where subscribers can discuss weight loss and receive coaching. The success of his site led to the release of his first workout DVD series in May, titled "Bob Harper: Inside Out Method." Harper has also contributed workouts to the Shape magazine website.

Harper was born August 18, 1965 in Nashville, Tennessee. He attended Austin Peay State University in Clarksville, Tennessee, but did not graduate.

After reading the book Skinny Bitch, Harper became a vegetarian. In 2010, he then became a vegan. That same year, PETA voted him sexiest male vegetarian of the year. In 2013 Harper stopped following a vegan diet due to wanting "something more." He practices Transcendental Meditation. He is an avid CrossFit athlete.

Harper has spoken out against puppy mills and has adopted a black and white dog from the Animal Advocates Alliance in Baldwin Park, California. He named the dog Karl, after Karl Lagerfeld, because of the dog's color.

Harper is Farm Sanctuary's 2010 Walk for Farm Animals national spokesman.

Harper publicly came out as gay in the seventh episode of the fifteenth season of The Biggest Loser, while talking to a contestant who was having difficulty telling his parents about his sexuality. Harper revealed he came out to his parents at 17, but that this was his first time ever addressing his sexuality publicly in his career. The episode aired on November 28, 2013.

On February 27, 2017, Harper indicated he'd suffered a heart attack two weeks prior.