The skinny ON CHRIS

Born: 1980 in Arizona

Education: Earned a degree in exercise science with concentrations in biomechanics and physiology from Arizona State University. He also is a Certified Strength and Conditioning Specialist (CSCS).

Author: Chris has written two books, “Choose to Lose” and “Choose More, Lose More for Life.” Both are New York Times bestsellers.

Expert: Chris is a regular contributor to “Good Morning America” and “The Doctor Oz Show.”

Husband: In 2010, Chris married his wife, Heidi, who is co-host of “Extreme Weight Loss.” She has been a personal trainer for more than a decade.

Father: Chris and Heidi have two children together—a son, Cash and daughter, Ruby Anne. He also helps raise Marley and Matix, Heidi’s children from a previous marriage.