CEO, Advanced Micro Devices (AMD)
Age: 61
After years of eating Intel's lunch, AMD has seen losses in a semiconductor chip price war that have left shareholders hungry for better days. But the company's new mobile computing processors, the quad-core Barcelona chip, and integrated graphics products from a 2006 acquisition of ATI Technologies are coming later this year, leaving Ruiz's company poised to leapfrog Intel again. Age: 61
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