Ms. Stephanie Miller oversees the full spectrum of human resource policies for over two million military personnel serving in the Department of Defense. As the Deputy Assistant Secretary of Defense for Military Personnel Policy, a component of the Office of the Under Secretary of Defense for Personnel and Readiness, her responsibilities include accessions, compensation, assignments, voluntary education, separations, awards and decorations, and financial readiness. She is directly responsible for policies and programs to sustain the all-volunteer force. Ms. Miller also serves as the Senior Advisor for all Department of Defense general and flag officer matters.

Ms. Miller has served in a variety of executive positions throughout the Office of the Under Secretary of Defense for Personnel Policy. During her tenure, Ms. Miller has led the Department through major initiatives to modernize military recruiting policies and programs, advertising and marketing programs, testing batteries, qualification standards, accession processing, 6,000 recruiting stations, and 67 Military Entrance Processing Stations across the United States and points overseas. She provided oversight to the 14th Quadrennial Review of Military Compensation and led the implementation of Flexible Spending Accounts for Service members and military families.

Ms. Miller previously served as a Special Assistant to both Secretary of Defense Chuck Hagel and Ashton Carter where she was responsible for a broad spectrum of programs to include Military and Civilian Personnel Policy, Military Force Readiness, Defense Health Affairs, Reserve Affairs, Defense Sexual Assault Prevention and Response, and interagency cooperation with Veterans Affairs. Her career includes leadership positions within the Department of the Navy and as a Defense Legislative Fellow.

Ms. Miller graduated from Villanova University with a degree in English Literature and Business Administration, and received her commission from the Navy ROTC program, subsequently serving as a Surface Warfare Officer in support of Operations Iraqi and Enduring Freedom. She received her graduate degree in Human Resources Development and Adult Education from The George Washington University. Ms. Miller’s contributions to the Department of Defense have been recognized with the Department of Defense Medal for Distinguished Civilian Service (DCS) in 2015, the Presidential Rank Award for Meritorious Executive Service in 2021, and a DCS Bronze Palm in 2025.