Big Blue boss named America's top businesswoman

09/21/2012 | CNNMoney/Fortune

IBM chief Ginni Rometty is America's most powerful businesswoman, according to Fortune's annual ranking, after playing a key role in devising and delivering Big Blue's shift into the services business. Insiders describe her as intensely focused, deeply charismatic, and almost unbelievably well-organized. "If she fell off the sidewalk and into the lake, she would have come out wearing a scuba suit," notes a former colleague.

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