FORTUNE's annual ranking of America's leading businesswomen

4 of 50
4. Ellen Kullman
Ellen Kullman
Chairman and CEO
2010 rank: 7
Age: 55
In May she completed her biggest move yet with the $6.4 billion acquisition of Danish food ingredient producer Danisco, shifting the chemical company more toward food and nutrition. Analysts credit her with DuPontís turnaround in the stock market: Shares have returned 99%, vs. 37% for the S&P, since she took over in 2009.
Network with DuPont
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