Only 19 Fortune 500 companies have female CEOs

Only 19 of the Fortune 500 companies have female CEOs. Some examples:

Meg Whitman Hewlett-Packard

The largest Fortune 500 company run by a woman.

Indra Nooyi PepsiCo

Joined Pepsi in 1994 and became CEO in 2006.

Patricia Woertz Archer Daniels Midland

Woertz has been CEO of ADM since 2006.

Ursula Burns Xerox

First black female CEO in Fortune 500.

Denise Morrison Campbell Soup

Maggie Wilderotter Frontier Comm.

The only pair of sisters heading Fortune 500 companies.

Marissa Mayer Yahoo

Joined the group on July 17.

Sally Smith Buffalo Wild Wings Inc.

Brittany McKinney Analysts International Corp.

Kathleen Iverson CyberOptics Corp.

Cheryl Beranek Clearfield Inc.

Source: Fortune magazine; Star Tribune research