As CEO of Internet company Yahoo Inc.,and former chief of software giant Autodesk, Carol Bartz was known for her outspoken manner. She was ousted as head of Yahoo in September. (Mark Lennihan/Associated Press/Mark Lennihan/Associated Press)
Ursula Burns, who became CEO of Xerox Corp. in 2009, is the first African-American woman to head a Fortune 500 company. She's also the first woman to succeed another woman (Anne Mulcachy) as head of Fortune 500 firm. (Richard Clement/Reuters/Richard Clement/Reuters)
Nancy Knowlton is president and CEO of Calgary-based Smart Technologies, which created the world's first interactive white board in 1991. (Chris Bolin For The Globe and Mail/Chris Bolin For The Globe and Mail)
Virginia "Ginni" Rometty becomes CEO of IBM Corp. on Jan. 1, the first woman to head the pioneering technology company in its 100-year history. (Graham Carlow/IBM Corp./Graham Carlow/IBM Corp.)
Sheryl Sandberg is chief operating officer of Facebook, the world's largest social networking company. She was wooed away from Google, where she was vice-president of global online sales and operations. (Spencer Platt/Getty Images/Spencer Pratt/Getty Images)
Mandy Shapansky joined Xerox Canada in 1985 and over the course of her career held a variety of positions in the company. In June, 2010, she was named president and CEO. (J.P. Moczulski IFor The Globe and Mail/J.P. Moczulski IFor The Globe and Mail)
Meg Whitman has been president and CEO of Hewlett-Packard since January, 2011. Previously, she served as president and CEO of eBay for a decade. In 2009, she failed in her bid to be elected governor of California. (Kevork Djansezian/Getty Images/Kevork Djansezian/Getty Images)
Sheelagh Whittaker was president and CEO of EDS Canada Inc. from 1993 to 2001, and then served as European and Australian CEO for Electronic Data Systems Corp. (Deddeda Stemler For The Globe and Mail/Deddeda Stemler For The Globe and Mail)
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