The traditional definition of "CIO success" is under attack in the age of the customer. Providing reliable, cost-effective, on-time, and on-budget technology is table stakes in a world where technology management underpins the digital revitalization and restructuring of entire industries. Now you are being asked to enable, manage, and occasionally lead digital transformation, end-to-end, across your enterprise. Our research shows that CIOs are encountering unexpected, career-threatening challenges as their role evolves. This report provides CIOs' perspective on the hurdles they face in the broad changes that are underway.