"No one gets to the top, if they sit on the sidelines, or if they don't believe in themselves."
- Sheryl Sandberg is the COO of Facebook. Her remarkable career has included stops at the World Bank, the U.S. Treasury, Google and Facebook, where she's been Chief Operating Officer since 2008. Sheryl Sandberg grew up in North Miami Beach, Florida, and studied economics at Harvard. Her position as one of Silicon Valley's most successful female executives has made her a lightning rod for both praise and criticism, especially after the publication of her 2013 book Lean In: Women, Work, and the Will to Lead in 2013.