Hewlett-Packard
2010 rank: Return
Age: 55
She’s back! In late September the losing California gubernatorial candidate -- and former No. 1 MPW -- was named CEO of HP, America’s largest tech company by revenue. While her ascent to the role is a sure sign of her power, it remains to be seen if she can fix the computer maker and bring order to its dysfunctional board.
via money.cnn.com
