We need women at all levels, including the top, to change the dynamic, reshape the conversation, to make sure women’s voices are heard and heeded, not overlooked and ignored.

Every job will demand some sacrifice. The key is to avoid unnecessary sacrifice.

Endless data show that diverse teams make better decisions. We are building products that people with very diverse backgrounds use, and I think we all want our company makeup to reflect the makeup of the people who use our products. That's not true of any industry really, and we have a long way to go.

I don't pretend there aren't biological differences, but I don't believe the desire for leadership is hardwired biology, not the desire to win or excel. I believe that it's socialization, that we're socializing our daughters to nurture and our boys to lead.

The most important thing is to have a more open and honest dialogue about gender issues.

We have a problem with women in leadership across the board. This leadership gap - this problem of not enough women in leadership - is running really deep and it's in every industry. My answer is we have to understand the stereotype assumptions that hold women back.

I've seen over and over how much self-belief drives outcomes. And that's why I force myself to sit at the table, even when I am not sure I belong there - and yes, this still happens to me. And when I'm not sure anyone wants my opinion, I take a deep breath and speak up anyway.