Kennedy first heard of sex trafficking when she was in middle school. “It was the worst fate I could think of.” So today she's fighting back as CEO of Marinus Analytics, a tech company that’s helping cops send traffickers to jail.

Ken Langone came from nothing to become a founder of The Home Depot, but never forgot his roots. He’s given staggering sums, but says his money isn’t truly charity. Discover a refreshing outlook that proves you don’t need riches in order to give richly.

U.S. Army Captain Matt Zeller says he wouldn’t be here today if it weren’t for Janis Shinwari, an Afghan Translator who saved his life during an ambush. Years later, Zeller had the chance to return the favor to Janis -- and many others. But thousands more still need help.