Top 10 Most Powerful CEO’s | Businessman in America 2010-2011

1. Dara Khosrowshahi

Expedia, Inc.
Market cap: $6.00 billion
Age: 40
Industry: Travel

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2. A. Lanham Napier

Rackspace Hosting
Market cap: $5.04 billion
Age: 40
Industry: Website hosting

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3. Kevin A. Plank
Under Armour
Market cap: $3.56 billion
Age: 38
Industry: Apparel

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4. Damon T. Hininger
Corrections Corporation of America
Market cap: $2.83 billion
Age: 40
Industry: Property management

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5. John C. Hellmann
Genesee & Wyoming
Market cap: $2.19 billion
Age: 40
Industry: Owns and operates short-line and regional freight railroads

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6. Elon Musk
Tesla Motors
Market cap: $2.18 billion
Age: 39
Industry: Auto manufacturer

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7. David T. Blair
Catalyst Health Solutions
Market cap: $1.99 billion
Age: 40
Industry: Health care

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8. Mark W. Brugger
Diamondrock Hospitality
Market cap: $1.88 billion
Age: 40
Industry: Real estate

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9. J. Mariner Kemper

UMB Financial
Market cap: $1.70 billion
Age: 38
Industry: Banking and financial services

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10. William C. SonnebornKKR Financial Holdings
Market cap: $1.67 billion
Age: 40
Industry: Finance