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Mission Support Directorate (MSD) Leadership

Associate Administrator

John W. Bailey, Jr.

John W. Bailey, Jr. is the Associate Administrator for the Mission Support Directorate (MSD) at NASA Headquarters in Washington. 

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John Bailey, wearing a dark suit and striped tie, sits for a portrait with the United State of America and NASA flags in the background
John Bailey, center director, John C. Stennis Space Center
NASA/Stennis
Acting Deputy Associate Administrator

Eli Ouder

Eli Ouder is the Acting Deputy Associate Administrator for the Mission Support Directorate (MSD) at NASA Headquarters in Washington. 

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Eli Ouder, Official Portrait, Thursday, Jan. 29, 2026, at the Mary W. Jackson NASA Headquarters Building in Washington.
NASA/Bill Ingalls
Executive Officer

Stacy Houston

Stacy Houston is the Executive Officer for the Mission Support Directorate (MSD) at NASA Headquarters in Washington. 

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Stacy Houston serves as the Executive Officer for the Mission Support Directorate (MSD)
EMERGE Portrait – Stacy Houston. Photo Date: February 5, 2014. Location: Building 8, Room 183 – Photo Studio. Photographer: Robert Markowitz

MSD Core Offices Leadership

About MSD

David Dunphy

Director of the Mission Support and Headquarters and Operations

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Portrait of Elaine Slaugh, Wednesday, Nov. 8, 2023, at the NASA Headquarters Mary W. Jackson Building in Washington.

Elaine Slaugh

Acting Director of the Mission Support Resources Management Office

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Headshot of Ashley McQueen Director of NASA Partnership Office (Acting)

Ashley McQueen

Director of the NASA Partnership Office

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