CEO: Ursula Burns
Company value: $14.1 billion
In 2009, Ursula Burns became the first African-American woman CEO of a Fortune 500 company. That was 29 years after she joined Xerox as an intern in mechanical engineering. The company employs more than 140,000 people and has clients in more than 160 countries. In 2010, President Barack Obama appointed Burns vice chairwoman of the President’s Export Council.