59 years old (Born on August 18, 1965)
American, TV Personality; He is famous from The Biggest Loser Trainer.
Harper has trained many celebrities, including Gwyneth Paltrow, Ben Stiller, Ellen DeGeneres, Melissa Etheridge, Guy Ritchie, Dermot Mulroney, Josh Ulsh, Selma Blair, Jeanne Tripplehorn, Catherine Keener, Carla Gugino, Laura Dern and Jenny McCarthy. An official member of the AFTA training club. Hobbies are: snowboarding, tennis, cycling, running and photography.