Some of today's best CIOS don't stay CIOs. Dozens of former chief information officers now fill the top corporate jobs of chief executive and head of operations. They are the first movers in <A HREF="http://www.baselinemag.com/article2/0,1540,2095044,00.asp?kc=CMBSLEMLP022007LADD">the rise of a new kind of CIO:</A> an executive who transcends the role of technology manager to become, at once, a big thinker and someone who can tune operations with technology to drive a company.