Sheryl Sandberg, COO of Facebook and Founder of Leanin.org
Sheryl Kara Sandberg (born August 28, 1969) is an American business executive, billionaire, and philanthropist. Sandberg is the chief operating officer (COO) of Meta Platforms and the founder of LeanIn.Org. In June 2012, she was elected to Facebook's board of directors, becoming the first woman to serve on its board. Prior to joining Facebook as its COO, Sandberg was vice president of global online sales and operations at Google, and was involved in its philanthropic arm Google.org. Before that, Sandberg served as chief of staff for United States Secretary of the Treasury Lawrence Summers.

In 2012, she was named in the Time 100, an annual list of the most influential people in the world. On Forbes Magazine's 2021 billionaires list, Sandberg is reported to have a net worth of US$1.7 billion, due to her stock holdings in Facebook and in other companies.