Jennifer Widerstrom (born August 24, 1982) is an American fitness model and personal trainer.
She appears as a trainer on the American version of the television series The Biggest Loser, replacing Jillian Michaels.
[citation needed] After graduating, Winderstrom moved to Los Angeles, where she worked towards becoming a personal trainer and fitness model.
[1] In 2014, Winderstrom joined Season 16 of NBC's The Biggest Loser, replacing Jillian Michaels.
[2] She is a Reebok Global Women's Brand Ambassador and the author of Diet Right for Your Personality Type.