20. Stephen Bisciotti (Baltimore Ravens), $7.2 billion
The Aerotek founder, Bisciotti has won two Super Bowl titles since buying into the Ravens franchise. He’s responsible for the team’s brilliant state-of-the-art training facility and hiring current coach John Harbaugh. Baltimore has reached the playoffs 11 times under Harbaugh — his tenure began in 2008 — and it is consistently one of the best-operated organizations in football.