Senate-confirmed in May 2022, the Honorable Christopher Lowman, the former senior official performing the duties of Under Secretary of the Army, took office as Assistant Secretary of Defense for Sustainment (ASD(S)) in June 2022.
As ASD(S), Mr. Lowman is the principal staff assistant and advisor to the Under Secretary of Defense for Acquisition & Sustainment (USD(A&S)), Deputy Secretary of Defense, and Secretary of Defense on DoD logistics, materiel readiness, and product support. On behalf of the USD(A&S), Mr. Lowman oversees the Defense Logistics Agency and Defense Microelectronics Activity, and is the principal logistics official within senior DoD management.

He has served across the U.S. Army and the Joint Force for more than three decades.
From 2021-2022, Mr. Lowman served as the senior official performing the duties of Under Secretary of the Army. As the Secretary of the Army’s senior civilian assistant and principal advisor on matters related to managing and operating the Army, he was also the Chief Management Officer of the Army and the Secretary’s principal advisor on effective and efficient organization of business operations and transformation initiatives, the senior official for all Executive and Senior Professional personnel actions, and responsible for supervising and directing all civilian senior leaders.
From 2018-2021, Mr. Lowman served as the Assistant Deputy Chief of Staff (ADCS), G-3/5/7 (Tier 3), providing oversight and guidance to the Strategy, Plans and Policy; Cyber Operations; Administration and Resources; and Command and Control Support Agency Directorates. His focus included Planning, Programming, Budgeting and Execution of Deputy Chief of Staff, G-3/5/7 program and budget; cyber activities; special access programs; sensitive activities programs; and support to non-Army agencies.

CAREER CHRONOLOGY:
• 2017-2018: Director of Essential Function 5 (Sustainment) of the Combined Security Transition Command – Afghanistan
• 2015- 2017: Deputy Assistant Secretary of the Army for Acquisition Policy and Logistics
• 2006 to 2015: Director for Maintenance Policy (Tier 2) & Programs for the United States Army, Office of the Deputy Chief of Staff, G-4
• 2003 to 2006: Chief, Supply and Maintenance, HQ, U.S. Army Europe (USAREUR)
Mr. Lowman enlisted as a U.S. Marine in 1984 and entered the Army Civil Service as an Army Maintenance Management Intern in 1989. He holds an MS degree from the National War College and an MBA from Monmouth University.
Mr. Lowman’s awards include the Joint Meritorious Civilian Service Award, the Distinguished Civilian Service Award, the Army Meritorious Civilian Service Award (3), the Army Ordnance Corps Samuel Sharpe Award, the Army Quartermaster Corps Distinguished Order of Saint Martin, and the Department of the Army Integrated Logistics Support Achievement of the Year Award.