A 30-year IBM veteran, she added marketing and strategy oversight to her role last year. The move positioned her as one of the company's top two candidates to replace current CEO Sam Palmisano, and it worked. Rometty will be Big Blue's next CEO, replacing Palmisano in January.
Boardroom battles and power plays shaped this year's U.S. list, which boasts eight new faces and -- surprise! -- a new No. 1.
|GM's $1.3 billion recall cost wipes out profit|
|Taxpayers are subsidizing CEO pay - The Buzz|
|Regulators pave way for Internet "fast lane" with net neutrality rules|
|Female gun instructors in hot demand|
|Coffee prices skyrocket after Brazil drought - The Buzz|