Sheryl Kara Sandberg (born August 28, 1969) is the chief operating officer (COO) of Facebook, the founder of LeanIn.Org, and a philanthropist. In June 2012, she was elected to Facebook’s board of directors, becoming the first woman to serve on its board. Before she joined 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. As of December 2019, Sandberg is reported to be worth over US$1.8 billion, due to her stock holdings in Facebook and other companies.

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