About OUSD(C)

OUSD(C) Leadership

Deputy Under Secretary of Defense (Comptroller)
Kathleen S. Miller - Deputy Under Secretary of Defense (Comptroller)

Kathleen S. Miller

The Honorable Kathleen S. Miller was sworn in as Deputy Under Secretary of Defense (Comptroller) on August 11, 2021.

Prior to joining the Office of the Comptroller, Ms. Miller served as Administrative Assistant to the Secretary of the Army. Starting in 2018, Ms. Miller was the Senior Career Civilian in the Army and was the principal career civilian adviser to the Secretary of the Army for administrative and business matters, including transformational activities in the Headquarters and with the Civilian Workforce. She oversaw the operation of a field operating agency and a headquarters element comprising of more than 600 civilian and military employees who execute 66 functions for customers in the Army, Department of Defense, and other Federal agencies across geographically dispersed CONUS and OCONUS operating locations..

From 2016 to 2018, Ms. Miller served as the Assistant Deputy Chief of Staff (DCS), G-3/5/7. As the civilian deputy to the DCS, G-3/5/7, she provided oversight and guidance to the Strategy, Plans, and Policy; Administration and Resources; Cyber Operations; and Command and Control Support Agency Directorates. Her focus included planning, programming, budgeting, and execution of the DCS, G-3/5/7’s program and budget, manpower, contracts, information technology, facilities and administration, cyber activities, special access programs, sensitive activities programs, and support to agencies outside the Army. She was also responsible for the DCS, G-3/5/7 civilian management and was actively engaged in Army mentoring and development of the force..

Ms. Miller also served six years at the Principal Assistant Deputy Chief of Staff, Army G4, where she oversaw implementation of logistics IT systems. She has held several executive positions in the Army Budget Office, including Acting Director of the Army Budget.

Ms. Miller was selected to the Senior Executive Service in the Department of Treasury in 2002.