Shaquille O'Neal went from being poor and bullied - and becoming a bully himself - to fame in the NBA. The greatest influence on Shaq's life was his step-father, who taught him that true pressure is not knowing where your next meal is coming from.

At age 19, on a missionary trip to a clinic in Brazil, Kristen Bell helped to deliver two babies. The experience ignited her nurturing nature, which endures today in good works like the snack bars This Saves Lives.

Jackson and his wife LaTanya have fought for civil rights around the world, but their greatest satisfactions are hand written thank you notes from children they have supplied with books.

Joe Namath grew up in Beaver Falls, Pennsylvania, Pittsburgh; after his parent's divorce, Joe turns to sports; he's propelled into sports stardom in college and professional football earning the nickname, Broadway Joe.

Jimmy Donaldson, also known as MrBeast, is the world's first digital philanthropist. After becoming obsessed with YouTube at a young age, Jimmy built a viral video empire based on the joy he gets from helping others.