Sheryl Sandberg, Facebook’s chief operating officer, speaks at the Fortune Most Powerful Women Summit in Washington, D.C. (Paul Morigi / Getty Images for Fortune)
Sheryl Sandberg, second from left, was among executives from leading tech companies meeting with President Obama to discuss progress with the HealthCare.gov website. (Jim Watson / AFP/Getty Images)
Sheryl Sandberg, who has worked at both Google and Facebook, wrote “Lean In,” which focuses on working women. (Alfred A. Knopf / Associated Press)
