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50 Most Influential Government CIOs

Check out InformationWeek's Government CIO 50, our power list of top government CIOs--ranging from the NSA's technology chief to innovators at the state and city government level. They've got vision, clout, and sometimes, billion-dollar IT budgets. But most of all, these CIOs are known for delivering tangible, measurable results. Here's an inside look at the government technology leaders and their approaches to unique IT leadership challenges.
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Henry Sienkiewicz has the ideal background to lead the Defense Information Systems Agency's expanding portfolio of cloud computing services. Prior to being named DISA's CIO last May, Sienkiewicz was a key leader of DISA's Rapid Access Computing Environment (RACE) and, its software hosting service for Defense agencies and contractors.

DISA already offers infrastructure as a service via RACE, and it plans to offer platform as a service this summer. DISA is a leading provider of IT services to Defense agencies, which means Sienkiewicz will be on the hot seat in supporting DOD's growing use of cloud services. The Army, for example, has signed on to have DISA host its enterprise-wide email. Sienkiewicz was formerly technical program manager for DISA's Computing Service. He retired as an Army Reserve officer in 2008.

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