Don joined the Treasury team as the Deputy Assistant Secretary for Operations in October, 2024. He oversees the Department’s headquarters facilities and offices which provide various support functions in the areas of renovations, travel, historical preservation and curatorial services, telephone operator services, special events, food services, asset management, safety/health/environmental compliance, and printing and graphics.Don previously served in the Department of Defense as the Defense Logistics Agency (DLA) Director of Installation Management responsible for installation support of the global DLA enterprise including engineering, property accountability, environmental support, security and emergency services, process management, and Family and Morale, Welfare and Recreation.A Pennsylvania native, Don entered Federal Government in the Department of Defense through the US Army Reserve Officer Training Corps at Duke University. His military assignments included command and staff positions in Georgia, California, Hawaii and Michigan and multiple deployments to Kuwait and Iraq. Don retired from the Army in 2010 and joined DLA in Battle serving in a variety of rolesculminating as the Director of Installation Management before departing for the US Treasury.Don is a 2019 Distinguished Graduate of the Eisenhower School for National Security and Resource Strategy with a concentration in long-term competitive strategy. He is also a graduate of the Federal Executive Institute, and the Naval Supply Corps Advanced Management Program. Don holdsbachelor’s degrees in zoology and history and master’s degrees in military history and national resourcestrategy. Awards include the Combat Action Badge, the Legion of Merit, and the DLA Exceptional and Meritorious Civilian Service Awards.Don is married to Dr. Evelyn Lionel Phillips of Fairfax County Schools, Fairfax, VA. They have three adult children.

Leads an organization of over 1,800 employees providing enterprise-wide policy, program, and world-wide operational management for Installation Management; Installation Energy Conservation and Management; Environmental Management; Security and Emergency Services; Family Morale, Welfare and Recreation (FMWR) and Portfolio Audit Compliance for DLA Installation Management Activities worldwide. Directs and approves administration of policy for centralized management and services in a broad range of functions and missions to include facilities management, installation energy conservation, climate resilience and sustainability programs, real estate and real property management, environmental management, FMWR programs, security and emergency services, law enforcement, and operational technology cybersecurity. Serves as the senior advisor and staff principal to the DLA Chief of Staff, DLA Vice Director, and DLA Director on all matters affecting policies and practices of DLA Installation Management missions and functions. Supports ten major DLA Installations, 22 DLA Distribution Depots and 55 DLA Disposition Services facility locations to include ongoing operations in both Europe and the Pacific. Provides execution of Sustainment and Recapitalization of over 8700 facilities with a total Net Book Value of over $2 B.

Don Phillips serves as Director for DLA Installation Support at Battle Creek, Michigan. The Directorate is responsible for safety and occupational health, security and emergency services, morale, welfare and recreation and installation support services for DLA organizations within the Hart Dole Inouye Federal Center. In addition, Installation Support at Battle Creek provides or coordinates similar support for DLA Disposition Services at over 100 sites worldwide.