Jillian Michaels net worth: Jillian Michaels is an American personal trainer, reality show personality, talk show and entrepreneur who has a net worth of $4. As a personal trainer, she has risen to fame thanks to her role on NBC's The Biggest Loser, which she joined in 2004. Ever since, she has been helping people to lose weight through a healthy diet, accompanied with kickboxing, yoga, Pilates, plyometrics and weight training. Having shed many pounds herself, Michaels is able to relate to overweight people and give them the required support and stimulation to became physically fit and sound. Now, she stars in Losing it with Jillian, since 2010 and remained on the show ever since. In addition to these two shows, she is also known for her appearance on the talk show The Doctors. Michaels is an active supporter of numerous charities like the NFL's Play 60, the Clinton Foundation's Alliance for a Healthier Generation, Stand Up to Cancer, Working Wardrobes, Hope for Haiti, Sow a Seed and Dress for Success. She is also an animal rights activist and most recently she helped PETA rescue a racehorse from the slaughterhouse.