A&S Leadership

Under Secretary of Defense (A&S)
Ellen M. Lord the Under Secretary of Defense for A&S
Ellen M. Lord


The Honorable Ellen M. Lord currently serves as the Under Secretary of Defense for Acquisition and Sustainment (A&S). In this capacity, she is responsible to the Secretary of Defense for all matters pertaining to acquisition; contract administration; logistics and materiel readiness; installations and environment; operational energy; chemical, biological, and nuclear weapons; the acquisition workforce; and the defense industrial base.



Deputy Under Secretary of Defense (A&S)
Deputy Under Secretary of Defense (A&S)
Alan R. Shaffer


Mr. Alan R. Shaffer currently serves as the Deputy Under Secretary of Defense for Acquisition and Sustainment (A&S). Senate confirmed in January 2019, he is responsible to the Under Secretary of Defense for all matters pertaining to acquisition; contract administration; logistics and material readiness; installations and environment; operational energy; chemical, biological, and nuclear weapons; the acquisition workforce; and the defense industrial base.


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