FORTUNE's annual ranking of America's leading businesswomen


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12. Sheryl Sandberg
Sheryl Sandberg
COO
Facebook
2010 rank: 16
Age: 42
The social media companyís ad revenue could reach nearly $4 billion in 2011, thanks to Facebookís savvy operating chief. Sandberg also sits on the boards of Disney and Starbucks, and has emerged as a leading advocate for women in the workplace. Next up: a critical role in Facebookís highly anticipated IPO.
Network with Facebook
From the October 17, 2011 issue
Video
How we pick the Power 50
The list is compiled by FORTUNE editors, who consider four criteria: the size and importance of the womanís business in the global economy, the health and direction of the business, the arc of the womanís career (resume and runway ahead), and societal and cultural influence.

Name 2010 total compensation
Safra A. Catz $42 million
Wellington J. Denahan-Norris $23.6 million
Carol Meyrowitz $19.2 million
Name Rank
Cynthia Carroll 1
Gail Kelly 2
Marjorie Scardino 3