America’s youngest billionaires according to Forbes.
20. Ken Griffin
Griffin, 44, is worth an estimated $4.4 billion. He made his money through his Citadel Group, which had a 25 percent return in 2012.
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19. Jerry Yang
Yang, 44, left, is worth an estimated $1.7 billion. Yang made his money by founding Yahoo. He left the company in January 2012.
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18. David Einhorn
Einhorn, 44, is worth an estimated $1.4 billion. He made his money by founding the hedge fund Greenlight Capital.
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17. Milane Frantz
Frantz, 44, is worth $5.5 billion and is the daughter of the late Dan Duncan, who was formerly the richest man in Houston. Duncan died in 2010.
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16. Eric Lefkofsky
Lefkofsky, 44, is worth an estimated $1.75 billion. He made his money as an investor and founder of Groupon.
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15. Elon Musk
Musk, 42, is worth an estimated $8 billion. Musk has numerous projects, but he is most notably associated with Tesla, a luxury electric carmaker.
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14. Daniel Ziff
Ziff, 41, is worth an estimated $4.6 billion. He is the son of publishing czar Williams Ziff Jr., who died in 2006.
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13. Michael Rubin
Rubin, 41, is worth an estimated $2.3 billion. He made his money from the e-commerce company GSI Commerce. The company was purchased by eBay for $2.4 billion in 2011.
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12. Kevin Plank
Plank, 41, is worth an estimated $1.7 billion. He made his money by starting Under Armour Inc.
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11. Larry Page
Page, 40, is worth an estimated $24.9 billion. Page co-founded Google with Sergey Brin.
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10. Sergey Brin
Brin, 40, is worth an estimated $24.9 billion. He made his money by co-founding Google with Larry Page.
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9. John Arnold
Arnold, 39, is worth an estimated $2.8 billion. He made his fortunes working in the hedge fund business. He is one of two young billionaires from Houston.
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8. Chase Coleman
Coleman, 38, is worth an estimated $1.4 billion. He made his money through his Tiger Global hedge fund.
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7. Nick Woodman
Woodman, 38, is worth an estimated $1.3 billion. He made his money by founding GoPro.
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6. Jack Dorsey
Dorsey, 36, is worth an estimated $1.3 billion. He made most of his wealth by investing in the mobile payment company Square. Oh, he also started Twitter.
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5. Robert Pera
Pera, 35, is worth an estimated $1.95 billion. He made his money by starting Ubiquiti Networks. He purchased the Memphis Grizzlies in 2012.
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4. Sean Parker
Parker, 33, is worth $2 billion. Parker started Napster, and he also served as Facebook’s first president. He did all of that before turning 25.
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3. Scott Duncan
Duncan, 30, is worth an estimated $5.5 billion. He inherited his fortune from Dan Duncan, founder of Enterprise Products Partners. He is the fourth youngest billionaire and one of two young billionaires from Houston.
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2. Mark Zuckerberg
Zuckerberg, 29, is worth $19 billion. Zuckerberg made his cash after starting up Facebook.
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1. Dustin Moskovitz
Moskovitz, 29, is worth $5.2 billion, and he’s the world’s youngest billionaire. Moskovitz was Mark Zuckerberg’s former roommate, and he helped launch Facebook with Zuckerberg.