Only six of Minnesota's 100 largest publicly traded companies have female chief executives. They are:
• Sally Smith, president and CEO of restaurant chain Buffalo Wild Wings Inc.
• Lorna Nagler, president and CEO of clothing chain Christopher & Banks Corp.
• Kathleen Iverson, president and CEO of sensory equipment maker CyberOptics Corp.
• Laura Hamilton, chairman and CEO of testing systems firm MTS Systems Corp.
• Pamela Patsley, chairman and CEO of money transfer company MoneyGram International Inc.
• Cheri Beranek, president and CEO of fiber-optic equipment maker Clearfield Inc.