Masayoshi Son, 'The Warren Buffet Of Asia,' Expected To Make Billions On Alibaba

One of the biggest payoffs from Alibaba Group Holding Ltd. going public will belong to Japan's Masayoshi Son. The Japanese businessman, founder and CEO of SoftBank, invested $20 million in Alibaba 14 years ago. With the website's expected valuation reaching $160 billion, Son's 34.4 percent stake in the ecommerce venture is estimated at about $57.8 billion, according to Bloomberg's calculations.