Both men and women react negatively when women negotiate on their own behalf. A man can just negotiate: "I have a better offer. That's not enough to make my family's ends meet." No one feels bad about it. But when a woman does that, there's a backlash.

It's easy to dislike the few senior women out there. What if women were half the positions in power? It would be harder to dislike all of them.

People assume Wall Street is a certain culture and tech is a certain culture. But if you look at the (gender) numbers at the top of (those) industries, they don't vary very much. I think in finance, women hold 19 percent of the top jobs, and women are 21 percent of the leaders in nonprofits.

Women systematically underestimate their own abilities.

When the man is traveling with a man, he says, "Let's stay up late and work on this and get this to be better." When the man's traveling with the woman, for the sake of appearances he doesn't do the work with her. That's a lost opportunity for her to be a success.

Most people assume that women are responsible for households and child care. Most couples operate that way - not all. That fundamental assumption holds women back.

Sixty-four percent of managers in the U.S. are afraid to be alone in a room with a woman. Mentoring is all about being alone in a room with someone. Let's start talking about this honestly. The lack of equal access is the silent killer for women and no one wants to talk about it.