When sherejoined the civilian world four years ago, she realized her secret agent techniques could be used to get ahead in business, including landing a sought-after promotion.
She earned an MBA from Harvard Business School, rejoined Summers as part of the Clinton administration, and was recruited by Google's Schmidt to join Google in 2001, when the company was just taking off -- a process she drove by improving the reach of AdWords and AdSense, two of Google's major moneymakers.