We call our little girls bossy. Go to a playground; little girls get called bossy all the time - a word that's almost never used for boys - and that leads directly to the problems women face in the workforce.

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence." (Harvard Business School definition of leadership)

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

Real change will come when powerful women are less of an exception. It is easy to dislike senior women because there are so few.

The most important thing we're doing differently is that we talk openly about gender at Facebook.

Framing the issue of work-life balance - as if the two were dramatically opposed - practically ensures work will lose out. Who would ever choose work over life?

There is no such thing as work-life balance. There is work, there is life, and there is no balance.