Chairman and CEO, Alibaba GroupChina's top Internet entrepreneur, Ma runs Taobao.com, an electronic marketplace that's delivering a drubbing to eBay, and a host of other properties. Yahoo opted to join Ma rather than fight him, handing over control of Yahoo China and $1 billion in exchange for a stake in Ma's Alibaba Group. Next up: If reports from Hong Kong are accurate, a possible IPO.
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