Lieutenant General Flem B. “Donnie” Walker assumed duties as the Deputy Commanding General of the U.S. Army Materiel Command on 2 July 2020. In his role, he is responsible for managing the day-to-day operations of the Army’s logistics enterprise. He also serves as the Senior Commander of Redstone Arsenal, Alabama.

Lieutenant General Walker previously served as the Deputy Chief of Staff of Operations, G-3, U. S. Army Materiel Command, where he executed Army Materiel Command’s mission to deliver strategic, operational and tactical readiness.

He served as Commander of the 1st Theater Sustainment Command with duties as Deputy Commanding General-Sustainment, U. S. Army Central.

Lieutenant General Walker’s other previous assignments include Deputy Chief of Staff, G-4, U.S. Forces Command; Commanding General, 3rd Sustainment Command (Expeditionary) and 1st Theater Sustainment Command (Forward - Afghanistan); Director for the Strategy and Integration Directorate, G-4/5/7, Office of the Deputy Chief of Staff, G-4; Executive Officer to the Army Materiel Command Deputy Commanding General; Commander of the 1st Sustainment Brigade and Chief of Staff, 1st Infantry Division; Director, Maintenance and Logistics Division, Center for Strategic Leadership; and Commander of the 225th Forward Support Battalion and Division G-4, 25th Infantry Division.

Lieutenant General Walker deployed in support of Operation IRAQI FREEDOM, Operation IRAQI FREEDOM II, Operation NEW DAWN, Operation ENDURING FREEDOM and Operation RESOLUTE SUPPORT.

Lieutenant General Walker was commissioned as a second lieutenant in the Quartermaster Corps upon his graduation from Auburn University in 1987. He earned Master’s Degrees in Logistics Management from the Florida Institute of Technology, and Military Arts and Sciences from the U.S. Army War College.

His awards and decorations include the Army Distinguished Service Medal, the Legion of Merit with four Oak Leaf Clusters, Bronze Star Medal with two Oak Leaf Clusters, Defense Meritorious Service Medal with one Oak Leaf Cluster, Meritorious Service Medal with two Oak Leaf Clusters, Army Commendation Medal with one Oak Leaf Cluster and Army Achievement Medal with three Oak Leaf Clusters. He has also earned the Senior Parachutist, Air Assault, Parachute Rigger and Joint Staff Identification Badges.