Melinda Gates, cochair of the Bill & Melinda Gates Foundation and founder of Pivotal Ventures, is committing $1 billion over the next ten years to advance gender equality. She says evidence shows it's the best way to drive economic development in nations and performance in companies. She shares her own stories as a female executive at Microsoft, a working mother, and a nonprofit leader learning from women around the world. Gates is the author of the HBR article "Gender Equality Is Within Our Reach."