| Portrait
|
Name
|
Tenure
|
SecDef(s) served under
|
President(s) served under
|
|
|
Special Assistant (Legal, Legislative, and Public Affairs)
|
|
|
Marx Leva |
September 18, 1947 – September 11, 1949 |
James V. Forrestal |
Harry Truman
|
|
|
Assistant Secretary of Defense (Legal and Legislative Affairs)
|
|
|
Marx Leva |
September 12, 1949 – May 1, 1951 |
Louis A. Johnson George C. Marshall |
Harry Truman
|
|
|
Daniel K. Edwards |
May 3, 1951 – November 19, 1951 |
George C. Marshall Robert A. Lovett |
Harry Truman
|
|
|
Charles A. Coolidge |
November 20, 1951 – December 31, 1952 |
Robert A. Lovett |
Harry Truman
|
|
|
Assistant Secretary of Defense (Legislative and Public Affairs)
|
|
Frederick A. Seaton |
September 15, 1953 – February 20, 1955 |
Charles E. Wilson |
Dwight Eisenhower
|
|
Robert Tripp Ross |
March 15, 1955 – February 20, 1957 |
Charles E. Wilson |
Dwight Eisenhower
|
|
|
Assistant to the Secretary of Defense (Legislative Affairs)
|
|
|
Brig. Gen. Clarence J. Hauck, Jr. |
April 1957 – April 1959 |
Charles E. Wilson Neil H. McElroy |
Dwight Eisenhower
|
|
|
George W. Vaughan |
April 1959 – March 1960 |
Neil H. McElroy Thomas S. Gates |
Dwight Eisenhower
|
|
Brig. Gen. James D. Hittle |
March 1960 – November 1960 |
Thomas S. Gates |
Dwight Eisenhower
|
|
|
Norman S. Paul |
January 25, 1961 – June 30, 1962 |
Robert S. McNamara |
John F. Kennedy
|
|
David E. McGiffert |
August 8, 1962 – June 30, 1965 |
Robert S. McNamara |
John F. Kennedy Lyndon Johnson
|
|
|
Jack L. Stempler |
December 13, 1965 – January 4, 1970 |
Robert S. McNamara Clark M. Clifford Melvin R. Laird |
Lyndon Johnson Richard Nixon
|
|
|
Richard G. Capen, Jr. |
January 5, 1970 – May 1, 1971 |
Melvin R. Laird |
Richard Nixon
|
|
|
Rady A. Johnson |
May 2, 1971 – March 10, 1973 |
Melvin R. Laird Elliot L. Richardson |
Richard Nixon
|
|
|
Col. George L.J. Dalferes (Acting) |
March 17, 1973 – April 17, 1973 |
Elliot L. Richardson |
Richard Nixon
|
|
|
Assistant Secretary of Defense (Legislative Affairs)
|
|
John O. Marsh |
April 17, 1973 – February 15, 1974 |
Elliot L. Richardson James R. Schlesinger |
Richard Nixon
|
|
|
John M. Maury |
April 12, 1974 – February 28, 1976 |
James R. Schlesinger Donald Rumsfeld |
Richard Nixon Gerald Ford
|
|
|
William K. Brehm |
March 19, 1976 – January 20, 1977 |
Donald Rumsfeld |
Gerald Ford
|
|
|
Assistant to the Secretary of Defense (Legislative Affairs)
|
|
|
Jack L. Stempler |
March 23, 1977 – January 19, 1981 |
Harold Brown |
Jimmy Carter
|
|
|
Assistant Secretary of Defense (Legislative Affairs)
|
|
Russell A. Rourke |
May 6, 1981 – December 8, 1985 |
Caspar W. Weinberger |
Ronald Reagan
|
|
|
M. D. B. Carlisle |
August 4, 1986 – April 28, 1989 |
Caspar W. Weinberger Frank C. Carlucci III William H. Taft IV (Acting) |
Ronald Reagan George H. W. Bush
|
|
|
David J. Gribbin III |
May 22, 1989 – January 18, 1993 |
Richard B. Cheney |
George H. W. Bush
|
|
|
Assistant to the Secretary of Defense (Legislative Affairs)
|
|
|
Sandra K. Stuart |
August 1, 1993 – September 15, 1994 |
Leslie Aspin, Jr. William J. Perry |
Bill Clinton
|
|
|
Assistant Secretary of Defense (Legislative Affairs)
|
|
|
Sandra K. Stuart |
September 15, 1994 – February 27, 1999 |
William J. Perry William S. Cohen |
Bill Clinton
|
|
|
John K. Veroneau |
March 2, 1999 – November 10, 1999 (Acting) November 10, 1999 – February 16, 2001 |
William S. Cohen |
Bill Clinton George W. Bush
|
|
Powell A. Moore |
May 4, 2001 – December 1, 2004 |
Donald Rumsfeld |
George W. Bush
|
|
|
Daniel R. Stanley[5] |
December 1, 2004 – June 30, 2005 (Acting) June 30, 2005 – January 31, 2006 |
Donald Rumsfeld |
George W. Bush
|
|
Robert Wilkie[6] |
January 31, 2006 – September 29, 2006 (Acting) September 29, 2006 – January 19, 2009 |
Donald Rumsfeld Robert M. Gates |
George W. Bush
|
|
|
Elizabeth L. King |
May 7, 2009 – January 1, 2015 |
Robert M. Gates Leon Panetta Chuck Hagel |
Barack Obama
|
|
Michael J. Stella (Acting) |
January 2, 2015 – April 1, 2015 |
Chuck Hagel Ash Carter |
Barack Obama
|
|
Stephen C. Hedger |
April 1, 2015 – July 5, 2016 |
Ash Carter |
Barack Obama
|
|
Tressa S. Guenov (Acting) |
July 5, 2016 – January 20, 2017 |
Ash Carter |
Barack Obama
|
|
Pete Giambastiani (Acting) |
January 20, 2017 – August 8, 2017 |
James Mattis |
Donald Trump
|
|
Robert R. Hood |
August 8, 2017 – July 24, 2020[7] |
James Mattis Mark Esper |
Donald Trump
|
|
Ann Thomas “A.T.” Johnston (Acting) |
July 27, 2020 – January 20, 2021[8] |
Mark Esper Christopher C. Miller (Acting) |
Donald Trump
|
|
|
Ryan Reilly (Acting) |
January 20, 2021 – February 9, 2021 |
David Norquist (Acting) Lloyd Austin |
Joe Biden
|
|
|
Louis I Lauter (Acting) |
February 9, 2021 – April 5, 2022 |
Lloyd Austin |
Joe Biden
|
|
Thomas J. Mancinelli (Acting) |
April 5, 2022 – December 2, 2022 |
Lloyd Austin |
Joe Biden
|
|
Rheanne Wirkkala |
December 2, 2022 – January 20, 2025 |
Lloyd Austin |
Joe Biden
|
|
Dane Hughes (Acting) |
January 20, 2025 – Present |
Pete Hegseth |
Donald Trump
|