#3 Meg Whitman

Company: Hewlett-Packard

Meg Whitman is the president and chief executive officer of Hewlett-Packard. In January 2011, Whitman joined Hewlett-Packard's board of directors. She was named CEO on September 22, 2011. As well as renewing focus on HP’s Research & Development division, her major decision during her first year as CEO has been to retain and recommit the firm to the PC business, which was on the downhill run when she joined the company.

 She served as an executive in The Walt Disney Company where she was vice president of strategic planning throughout the 1980s. In the 1990s, she served as an executive for DreamWorks, Procter & Gamble, and Hasbro. Whitman served as president and chief executive officer of eBay from 1998 to 2008.

#4 Debra Reed

Company: Sempra Energy

Debra Reed joined the company in 1978, and became the company’s first female officer 10 years later. Sempra Energy has two broad categories, Sempra Utilities, including Pacific Enterprises/Southern California Gas Company and San Diego Gas & Electric Sempra Energy which develops energy infrastructure, operates utilities and provides other services.

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