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Headquarters Leadership

Matthew Welbes
Executive Director

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Dana Nifosi headshot

Dana Nifosi
Acting Chief Counsel

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David N. Longo
Acting Associate Administrator for Communications & Congressional Affairs

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William Hyre - Acting Associate Administrator for Administration

William Hyre
Acting Associate Administrator for Administration

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Robert J. Tuccillo
Associate Administrator for Budget & Policy

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Elizabeth "Sherry" Riklin
Acting Associate Administrator for Planning & Environment

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Bruce Robinson
Acting Associate Administrator for
Program Management

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Vincent Valdes
Associate Administrator for Research, Demonstration and Innovation

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Henrika Buchanan
Acting Associate Administrator for Safety & Oversight

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Updated: Monday, February 4, 2019
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