No 9. Sheryl Sandberg, age 44
Net worth: $1 billion
COO, Facebook, United States
Under Sandberg's leadership, Facebook, valued at $160 billion, has improved its earnings performances and revamped its mobile strategy.
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 Facebook Chief Operating Officer Sheryl Sandberg talks with valedictorian graduates before the City Colleges of Chicago graduation ceremony at the UIC Pavilion, May 3, 2014. [Photo / IC]  | 
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