7. Rob Carter, Chief Information Officer
7. Rob Carter, Chief Information Officer
CIO, FedEx

FedEx didn't start out as a high-tech company, but CIO Carter has made it one, implementing wireless systems and social-media technology well ahead of other corporations. Carter, 52, who manages more than $1 billion in spending each year, has long understood that IT isn't just a way to make workers more efficient -- he's turned it into FedEx's competitive edge.

Last updated August 22 2011: 1:30 PM ET
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