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http://en.wikipedia.org/wiki/Jillian_Michaels_(personal_trainer) ---
Jillian Michaels (born 24 February 1974) is a personal trainer, and appeared on the television series The Biggest Loser (US) as the trainer for the red team until 2006. However, she later returned in 2007 as the black team coach. She is also a trainer in the Australian version of the show along with Bob Harper. Jillian Michaels began her career in exercise, because before her teenage years, she was significantly overweight. As a young adult, her mother enrolled her in a martial arts class. This was a new beginning for Jillian and forever after she was concerned in helping other overweight individuals to make a change and transform their lives and bodies.
Jillian Michaels has a strong background in martial arts, including training in Muay Thai and Akarui-Do. She uses a blend of strength training techniques with her clients, including kickboxing, yoga, Pilates, plyometrics, and weight training.
According to Jillian Michaels' official homepage, "Jillian lives in Los Angeles with her brother, Gregory, and her beloved and faithful Chihuahua, Baxter. When she’s not on the TV set, she enjoys traveling and getting involved in charitable activities. She is a celebrity advisor to National Day of Dance for Heart Health, an organization that encourages people to make exercise fun and to laugh, learn and dance to a healthier heart."
Jillian Michaels currently hosts a Sunday talk show on KFI AM 640.