Chairman, CEO and president, Hewlett-Packard (HPQ)
Age: 50
Hurd took over as CEO at a bruising time for Silicon Valley's largest company. Hewlett-Packard's business appeared to be stalled, its stock was lagging, and the messy ouster of his controversial predecessor, Carly Fiorina, was an embarrassment. But this year, Hurd stole not only Michael Dell's crown in the PC business but also his reputation for ruthless efficiency. What's more, under Hurd's unflappable leadership, HP's stock price has doubled, and the company has emerged largely unscathed from a messy reporter-spying scandal. Age: 50
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