EVP, Space Systems Lockheed Martin 2010 rank: 31 Age: 57
Almost all of her business comes from the government, including her next big project: working on the replacement for the space shuttle. Revenue dropped about 5% in her division to $8.2
billion, but she managed to keep operating profits level.
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.