Performing the Duties of Deputy Secretary of Defense David L. Norquist

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The Role

The deputy secretary of defense is in charge of the Defense Department’s day-to-day business. The primary responsibility is managing the defense budget and executing the defense secretary’s priorities.


View photographs of Acting Secretary Shanahan here.

Deputy Defense Secretary Patrick M. Shanahan shakes hands with a woman as other civilians watch.

The Person

Effective January 1, 2019, David L. Norquist began performing the duties of the Deputy Secretary of Defense. Norquist was sworn in as the Under Secretary of Defense (Comptroller)/Chief Financial Officer on June 2, 2017, and serves as the principal advisor to the Secretary of Defense on all budgetary and financial matters, including the development and execution of the Department’s annual budget of more than $680 billion. Norquist has over 29 years of experience in federal financial management and is a Certified Government Financial Manager (CGFM).