In May, she took over the regional financial institution with almost $90 billion in assets, making her the only woman to run a large U.S. bank. Second-quarter profits jumped to $243 million, up from $56 million in the same period a year ago, in part due to a fall in loan losses and cuts in expenses.
Boardroom battles and power plays shaped this year's U.S. list, which boasts eight new faces and -- surprise! -- a new No. 1.
