Nancy Sieger is currently a Partner at Guidehouse in the Financial Services Sector. They served as the Chief Technology Officer for the US Department of Treasury from 2023 to 2024 and were the Chief Information Officer at the Internal Revenue Service from 2019 to 2023. In this role, Nancy oversaw all information technology, focusing on enhancing taxpayer experiences and leading significant modernization efforts, particularly during the pandemic. They have a proven track record in technology leadership within federal government institutions.
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