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One word of caution: It´s possible that a CIO can become so business focused that he or she doesn´t pay enough attention to executing reliable IT service. You have basic blocking and tackling responsibilities that you can´t ignore. You can delegate that, but you still have to ask the right questions of those to whom you delegate and make them show you their metrics.

Bruce J. Goodman is senior vice president and chief service and information officer at Humana Inc. and a member of the CIO Executive Council. He has also been CEO of Prudential Service Co, and CIO of MetLife.