Jennifer Widerstrom
- Born
- 24 August 1982 (44 years)
- Place of birth
- Downers Grove, Illinois, USA
- Gender
- Female
Jennifer Widerstrom 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. She appeared on American Gladiators, as the female gladiator Phoenix, in 2008 for its second season. She also appeared in the 2015 documentary titled, Why Am I So Fat?
