The Department of Defense has announced the swearing-in of several new officials at the Pentagon on January 20, 2025. The appointments cover a range of positions across various departments within the defense establishment.
John A. Byers has been appointed as Deputy Assistant Secretary of Defense for South and South-East Asia. Colin J. Carroll will serve as Chief of Staff to the Deputy Secretary of Defense, while Austin J. Dahmer takes on the role of Deputy Assistant Secretary of Defense for Strategy.
Timothy D. Dill is now Senior Advisor to the Assistant Secretary of Defense for Manpower and Reserve Affairs, with Michael P. DiMino IV assuming duties as Deputy Assistant Secretary of Defense for the Middle East.
Mark Ditlevson joins as Senior Advisor in the Department of the Navy, and Michael P. Duffey becomes Deputy Chief of Staff to the Secretary of Defense.
Stephen L. Ferrara steps into his role as Principal Deputy Assistant Secretary of Defense for Health Affairs, with David R. Fitzgerald taking on responsibilities as Chief Strategic Advisor in the Department of the Army.
Eric J. Geressy has been named Senior Advisor to the Secretary of Defense for Strategy, and Terence E. Hagans will be Chief of Staff in the Department of the Army.
Mateo Haydar assumes his position as Special Assistant to the Under Secretary of Defense for Policy, while Macon D. Hughes becomes Principal Deputy Assistant Secretary of Defense for Legislative Affairs.
Jules W. Hurst III is now serving as Deputy Assistant Secretary of Defense for Force Readiness, and Colby C. Jenkins takes on duties related to Irregular Warfare and Counter Terrorism.
Joseph R. Kasper will act as Chief of Staff to the Secretary of Defense, with Rafael F. Leonardo becoming Deputy Assistant Secretary for Plans and Posture.
Bryn Woollacott MacDonnell joins as Special Assistant to the Secretary, James G. Mazol becomes Senior Advisor to Research and Engineering undersecretary, Sean C. McAndrews serves as Confidential Assistant to the secretary, Matt A McNitt fills in as Deputy White House Liaison, John Noh takes charge in East Asia affairs, Tami Radabaugh handles Public Affairs strategic engagement tasks while James R Sapp oversees House Affairs operations among others including Darin S Selnick advising secretarial matters; Katherine E Thompson focusing globally partnered projects; Jonathan L Ullyot publicizing media strategies alongside Alexander Velez-Green's policy advisement contributions; Patrick Weaver assisting secretarial functions furthering Kingsley Wilson’s press secretary duties amidst Charles Young’s legal counsel provision within strategic capital managed by Patrick Witt."
