FORTUNE's annual ranking of America's leading businesswomen


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16. Phebe Novakovic
Phebe Novakovic
President and COO
General Dynamics
2011 rank: 41
Age: 54
Novakovic is primed to become the most senior woman in the aerospace and defense industry on Jan. 1, when she'll take over as CEO of the $33-billion-in-revenue defense contractor. General Dynamics promoted the former CIA officer to the COO role earlier this year, also giving her a board seat.
From the October 8, 2012 issue
How we pick the Power 50
The list is compiled by FORTUNE editors, who consider four criteria: the size and importance of the woman's business in the global economy, the health and direction of the business, the arc of the woman's career (resume and runway ahead), and societal and cultural influence.