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Sun 19 Apr 2015 10:43 AM

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Revealed: The world’s youngest billionaires

You’ve seen the most influential young Arabs, but who are the richest people on the planet under the age of 40?

Revealed: The world’s youngest billionaires
1. Mark Zuckerberg
\n$33.4bn
\nAge: 30

\nFacebook’s founder needs little introduction. Around 1.4 billion people around the world use his invention, and the social media site posted revenues of $12.5bn in 2014.
Revealed: The world’s youngest billionaires
2. Dustin Moskowitz
\n$7.9bn
\nAge: 30

\nFacebook’s third original employee, Moskowitz left the firm in 2008 to start his own software firm. However, he still holds a sizeable stake in the firm. Moskowitz is a signatory to Bill Gates and Warren Buffett’s Giving Pledge.
Revealed: The world’s youngest billionaires
3. Jan Koum
\n$6.6bn
\nAge: 39

\nKoum hit the big time in February last year when Whatsapp was bought by Facebook for $19bn; the entrepreneur only founded the messaging application in 2009.
Revealed: The world’s youngest billionaires
5. Garrett Camp
\n$5.3bn
\nAge: 36

\nCamp is the co-founder and chairman of Uber, which has seen its valuation jump tenfold over the last 18 months. He has also founded web discovery tool Stumbleupon.
Revealed: The world’s youngest billionaires
6. Travis Kalanick
\n$5.2bn
\nAge: 38

\nThe abrasive CEO of Uber, Kalanick has had a heady ride of his own in the last few months, as authorities in major cities have hit back at the ride-sharing app.
Revealed: The world’s youngest billionaires
7. Yang Huiyan
\n$5bn
\nAge: 32

\nYang’s father, Yeung Kwok Keung is the founder of Chinese developer Country Garden Holdings. She is vice chairman and sits on the board.
Revealed: The world’s youngest billionaires
8. Eduardo Saverin
\n$4.8bn
\nAge: 32

\nAnother Facebook co-founder, Saverin renounced his US citizenship and now lives in Singapore, where he invests in tech start-ups.
Revealed: The world’s youngest billionaires
9. Elizabeth Holmes
\n$4.5bn
\nAge: 31

\nThe youngest self-made female billionaire, Holmes founded blood-testing firm Theranos in 2003; the healthcare firm is now valued at $9bn.
Revealed: The world’s youngest billionaires
10. Alejandro Santo Domingo Davila
\n$4.4bn
\nAge: 38

\nThe first of four billionaire heirs to a sizeable stake in the SABMiller fortune, Alejandro is a managing director at Quadrant Capital Advisors, a New York finance house.