Yahoo CEO Marissa Mayer speaks during her keynote
Phebe Novakovic, General Dynamics
The chief operating officer of Facebook, Sheryl Sa
Westpac CEO, Kelly, gestures during a 2012 full ye
Patricia Woertz, chairman, president and CEO of Ar
File photo Hewson, executive vice president of ele
Chief Executive Officer of Brazil's state oil comp
PepsiCo CEO Indra Nooyi checks products at the Top
IBM CEO and Chairman of the Board Virginia Rometty
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