Great CIOs and IT executives help drive their companies through innovation and agile management. They nurture their employees, build talented teams and generate creativity in their people. They try new things and improve upon the old. They lead by example.
And then they leave.
Or some do, at least. The CIO role has always been volatile, but above and beyond the normal movement in the industry, the last several years have seen an anecdotal uptick in the phenomenon of talented and visionary CIOs leaving their posts. Some head up the corporate ladder to even higher positions or take line-of-business posts, while others strike out on their own, becoming consultants or Web entrepreneurs.