Mark Chivers
Since founding his record label in the 1970s, he's launched more than 400 businesses with the Virgin Group, exploring pretty much every industry you could imagine: airlines, hotels, mobile-phone companies, banks, and even space tourism.
With an estimated net worth of $5 billion, he's one of the wealthiest people in the world.
From parties with models to daredevil world-record attempts, this British businessman always takes it to the next level.