...corporate America who have trampled on the belief that CIO stands for 'Career Is Over' include Michael Capellas, currentlyCEO of Compaq, previously CIO at the world's largest PC maker. Then there's Tom Thomas, chairman and CEO of Vantive...
http://www.computerweekly.com/Articles/2000/07/06/174574/from-cio-to-ceo.htm