"You've got to develop the courage of your convictions. I think you have to be willing to take some risks and some gambles, and to maybe take an unpopular position because you really think it's the right thing to do. I'm very willing to have open, frank conversations that other people just aren't willing to have. "
Pop quiz: What do IBM, Pepsi-Co, Dupont, Campbell Soup, Xerox and Kraft Foods have in common? They're all led by female CEOs. In fact, with the appointment of Marissa Mayer as CEO and President of Yahoo! in July, women have upped their game on the Fortune 500 list, with 20 female CEOs among the ranks.