Defense Department Welcomes New Officials

U.S. Department of Defense

The following individuals were sworn-in yesterday, Jan. 20, 2025, at the Pentagon:

  • John A. Byers, Deputy Assistant Secretary of Defense (South and South-East Asia)
  • Colin J. Carroll, Chief of Staff to the Deputy Secretary of Defense
  • Austin J. Dahmer, Deputy Assistant Secretary of Defense (Strategy)
  • Timothy D. Dill, Senior Advisor to the Assistant Secretary of Defense for Manpower and Reserve Affairs)
  • Michael P. DiMino IV, Deputy Assistant Secretary of Defense (Middle East)
  • Mark Ditlevson, Senior Advisor, Department of the Navy
  • Michael P. Duffey, Deputy Chief of Staff to the Secretary of Defense
  • Stephen L. Ferrara, Principal Deputy Assistant Secretary of Defense for Health Affairs
  • David R. Fitzgerald, Chief Strategic Advisor, Department of the Navy
  • Eric J. Geressy, Senior Advisor to the Secretary of Defense (Strategy)
  • Terence E. Hagans, Chief of Staff, Department of the Army
  • Mateo Haydar, Special Assistant to the Under Secretary of Defense for Policy
  • Macon D. Hughes, Principal Deputy Assistant Secretary of Defense for Legislative Affairs
  • Jules W. Hurst III, Deputy Assistant Secretary of Defense (Force Readiness)
  • Colby C. Jenkins, Deputy Assistant Secretary of Defense (Irregular Warfare and Counter Terrorism)
  • Joseph R. Kasper, Chief of Staff to the Secretary of Defense
  • Rafael F. Leonardo, Deputy Assistant Secretary of Defense (Plans and Posture)
  • Bryn Woollacott MacDonnell, Special Assistant to the Secretary of Defense
  • James G. Mazol, Senior Advisor to the Under Secretary of Defense for Research and Engineering
  • Sean C. McAndrews, Confidential Assistant to the Secretary of Defense
  • Matt A. McNitt, Deputy White House Liaison
  • John Noh, Deputy Assistant Secretary of Defense (East Asia)
  • Tami Radabaugh, Deputy Assistant to the Secretary of Defense for Public Affairs (Strategic Engagement)
  • James R. Sapp, Deputy Assistant Secretary of Defense (House Affairs)
  • Darin S. Selnick, Senior Advisor to the Secretary of Defense
  • Katherine E. Thompson, Deputy Assistant Secretary of Defense (Global Partnerships)
  • Jonathan L. Ullyot, Principal Deputy Assistant to the Secretary of Defense for Public Affairs
  • Alexander J. Velez-Green, Senior Advisor to the Under Secretary of Defense for Policy
  • Patrick R. Weaver, Special Assistant to the Secretary of Defense
  • Kingsley R. Wilson, Deputy Pentagon Press Secretary
  • Patrick J. Witt, Chief of Staff, Office of Strategic Capital
  • Charles L. Young III, Principal Deputy General Counsel (DOD)
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