Philip James, the co-founder of wine sales site Lot18, gets excited about extreme sports. In 2003 he climbed Mt. Everest and he is currently on a yearlong bike trip around the world.
Kenny Rosenblatt, CEO of game company Arkadium, owns a farm in Upstate New York where he grows organic vegetables to escape the workweek grind of living and breathing technology.
Tim Armstrong, CEO of AOL, embraces his love of sports by coaching his kids’ lacrosse and soccer teams. Awww, sweet.
Serial entrepreneur Mark Cuban owns the Dallas Mavericks (the team won an NBA title in 2011) and hosts the ABC show Shark Tank.
Bob Parsons, CEO of GoDaddy, got a lot of press for his rather notorious hobby: elephant hunting.
Cisco Systems co-founder Sandy Lerner loves jousting. She owns lances, period costumes, and even an 800-acre farm in Virginia where she raises Shire horses for matches.
You could refer to the CEO of enterprise cloud sharing company Box as "That Magic Guy." Aaron Levie became magic trick-obsessed as a kid, performed professionally for several years (his favorite trick involved disappearing into giant boxes), and still does tricks around the office.
Amazon billionaire Jeff Bezos is funding the construction of a gigantic, 10,000-year clock on his land, to remind us all to stay humble about how teeny-tiny our individual lives are.
Scott Cohn, creator of the drawing app Doodle.ly, recently started writing and illustrating children's books based on his experiences as a new dad.
You can peep Steve Wozniak's Foursquare to learn how much he loves Tesla. The Apple co-founder has checked into a California charging station 351 times.
Larry Ellison of Oracle loves his big, fancy boats. His team won the America's Cup race this year.
Nick Ganju, one of the founders of the online medical care scheduling service ZocDoc, plays music in parks and sometimes gets mistaken for a panhandler.
Richard Branson's entire life is like a series of badass hobbies. The Virgin founder has explored space, adventured in the deep sea, and was the first person to fly a hot air balloon across the Atlantic Ocean.