5. Ma Huateng

•  Net Worth: $10.2 B                                                                      
•  Source of Wealth: internet
•  Citizen: China
•  Age: 42

Ma Huateng, known as "Pony," is the founder and CEO of Tencent Holdings, China's largest Internet company in terms of market cap. His fortune has climbed from $6.4 billion a year ago as Tencent's Hong Kong-traded shares surged more than 50%. Tencent makes most of its money from online gaming but pushed into online search in September, paying $448 million for a 36% stake in Sohu.com's Sogou unit.