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.
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.