Yoshikazu Tanaka
Yoshikazu Tanaka
Founder and CEO, GREE

Japan

Tanaka's social-networking company GREE, which he founded in his apartment in 2004, made headlines in the tech world last year when he acquired OpenFeint, a U.S. firm that helps developers build games on different mobile platforms. The deal bolsters GREE's smartphone prowess and could aid Tanaka in his goal to displace Nintendo as Japan's top gaming company.


By Rupali Arora, contributor @FortuneMagazine - Last updated April 12 2012: 4:23 PM ET
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