FORTUNE's annual ranking of America's leading businesswomen

47 of 50
47. Deanna Mulligan
Deanna Mulligan
President and CEO
The Guardian Life Insurance Company of America
2010 rank: New
Age: 48
Mulligan joined the insurer as executive vice president in 2008, then quickly got promoted twice before moving into the CEO spot in July, making her one of 15 women to lead a Fortune 500 company. The fourth-largest mutual life insurer in the U.S. manages $33 billion in assets.
Network with The Guardian Life Insurance Company of America
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