Jennifer Widerstrom Bio, Net Worth, “Biggest Loser”, Age, Husband, “American Gladiators”, Social Media, Nationality and More

Who is Jennifer Widerstrom?

Jennifer Widerstrom is an American fitness model, personal trainer, and wellness coach best known for her role as a trainer on NBC’s The Biggest Loser, where she replaced Jillian Michaels. She is the author of “Diet Right for Your Personality Type” and has appeared on shows like LIVE with Kelly and Ryan, The Doctors, and Dr. Oz.

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How old is Jennifer Widerstrom?

Jennifer was born on August 24, 1982, in Downers Grove, Illinois, making her 43 years old as of 2025. She always celebrates her birthday on August 24 every year, and her zodiac sign is Virgo.

Personal Information Summary

Early Life and Education

Jennifer is of Swedish descent and was born on August 24, 1982, in Downers Grove, Illinois. She was born to her parents, Norm Widerstrom (father), who served as an assistant Principal at St. Charles East High School, and Lynn Widerstrom (mother), who was a gymnastics coach at Naperville North High School. Growing up in a fitness-oriented household played a key role in her venturing into the fitness world. While growing up alongside her sister, Kristen Widerstrom, Jeniffer used to lift weights and exercise in her basement.

Jennifer attended Illinois High School, where she participated in sports such as diving, gymnastics, and track. She later enrolled at the University of Kansas, where she competed as a Division I hammer thrower, and her passion for fitness and performance deepened even further. After graduating, Jennifer moved to Los Angeles, where she worked towards becoming a personal trainer and fitness model.

Is Jennifer Widerstrom Married?

Jennifer is not married. She has kept her personal life quite private and has never publicly confirmed being in a relationship or having a husband. While she has occasionally joked about having a boyfriend, once referencing a man named Jacob and even her dog Hank, these were made in a humorous context and not serious declarations.

What does Jennifer Widerstrom do to earn a living?

Jennifer earns a living as a fitness model, personal trainer, author, and television personality.

Jennifer Widerstrom Career Background

Widerstorm ventured into her fitness and modelling career immediately after graduating from university. Her breakthrough in the television industry came in 2008 when she was discovered by a casting agent for American Gladiator. This led her to feature as the gladiator “Phoenix” on NBC’s American Gladiators (Season 2), marking her first major TV appearance.

Later in 2014, Jennifer joined The Biggest Loser (Season 16) as a trainer, replacing Jillian Michaels. Her compassionate coaching style quickly made her a fan favorite. Since then, Jeniffer has turned out to be a key figure in the media industry. Occasionally, Jennifer appeared in the 2015 documentary titled, Why Am I So Fat? On the other hand, Jennifer has written a book titled Diet Right for Your Personality Type, published in 2017, and offers a personalized approach to weight loss and wellness.

Driven by a passion for helping individuals transform their lives, Jennifer became a fitness instructor at Pulse Fitness Studio. Her group sessions foster a sense of motivation, while her one-on-one training is designed to build her clients’ self-confidence and empower them to achieve their personal goals.

Other Ventures

Beyond her media appearances, Jennifer participated in goodwill tours supporting U.S. troops in Kuwait, Iraq, and Southwest Asia. In addition, she volunteered with orphanages in Kenya, Malawi, and Rwanda, helping children build confidence through sports and education. On the contrary, Jennifer is the Fitness Director of SHAPE Magazine, a Member of SHAPE Magazine’s Brain Trust, and has appeared as a guest on shows like Dr. Oz, LIVE with Kelly and Ryan, and The Doctors. She is also the Host of The Kids Table podcast, which focuses on fitness, mindset, and community, and Reebok Global Women’s Brand Ambassador.

Furthermore, Jennifer hosted a fitness infomercial for Weider/Icon Fitness and the pilot entitled “Your Gym at Home.” She has also modeled in nationwide advertising campaigns for Optimum Nutrition, as well as in the latest Athleta catalog. These opportunities have given Jennifer the platform to use her philanthropic ambitions to contribute to charities through personal appearances, signings, and hosting events, such as the Muscular Dystrophy Association and Marklund Fund.

Furthermore, Jennifer served as the host for a fitness infomercial produced by Weider/Icon Fitness and appeared in the pilot episode of “Your Gym at Home.” Her modeling work includes national advertising campaigns for Optimum Nutrition and a feature in the latest Athleta catalog. These opportunities have allowed her to use her passion to contribute to charities through personal appearances, autograph signings, and hosting events such as the Muscular Dystrophy Association and the Marklund Fund.

How Tall is Jennifer Widerstrom?

Jennifer is approximately 5 feet 6 inches tall, equaling 1.68 meters.

Jennifer Widerstrom Net Worth

As of 2025, Jennifer Widerstrom’s net worth is estimated to be between $100,000 and $1 million. She has accumulated this wealth primarily through her career as a reality television star, a fitness personal trainer, book sales, media appearances, and brand partnerships.

Social Media

Jeniffer is gaining popularity on social media, where she uses her platforms to share a vibrant mix of fitness, lifestyle, and motivational content. You can follow her on her social media handles: