FORTUNE's annual ranking of America's leading businesswomen

27 of 50
27. Marillyn Hewson
Marillyn Hewson
EVP, Electronic Systems
Lockheed Martin
2010 rank: 32
Age: 57
Hewson increased revenue and operating profit for her $14.4 billion division (Lockheedís largest) in 2010. She is following in some important footsteps. Electronic systems used to be run by Lockheed COO Chris Kubasik, who analysts say could be the next CEO.
Network with Lockheed Martin
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