Nick Woodman, 37: GoPro Billionaire

GoPro-ForbesAn inspiring business story from Forbes of the man behind the GoPro camera and how he became a billionaire by age 37: The Billionaire Behind GoPro: The World’s Hottest Camera Company.

He slept in his VW minivan, surfed, hit trade shows and kept improving on his idea. His first year sales were $350,000. In 2012 they were at $521 million, and the San Mateo, Calif. firm currently is valued at $2.25 billion.