5. Oh-Hyun Kwon
bpoy oh-hyun kwon

CEO, Samsung

In June, Samsung tapped Kwon, head of the company's components business, to run its $149 billion electronics empire. Under Kwon, the Korean company became the second-largest chipmaker in the world (Intel is No. 1). Now the new CEO has to contend with its top customer and competitor -- Apple. --Michal Lev-Ram


- Last updated November 30 2012 05:12 PM ET
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