FORTUNE's annual ranking of America's leading businesswomen

36 of 50
36. Bonnie Hammer
Bonnie Hammer
Chairman, NBC Universal Cable Entertainment and Cable Studios
2010 rank: 45
Age: 61
The largest contributor to NBCUís bottom line, Hammer was named chairman of the companyís cable unit after the acquisition by Comcast this year. As a sign that she has the support of her new bosses, she added E! Entertainment and G4 to her portfolio of USA and Syfy.
Network with Comcast
From the October 17, 2011 issue
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