George Guenther
April 1971 - January 1973

M. Chain Robbins (Acting)
January 1973 - April 1973

John Stender
April 1973 - July 1975

Bert Concklin & Marshall Miller (Acting)
July 1975 - December 1975

Morton Corn
December 1975 - January 1977

Bert Concklin (Acting)
January 1977 - April 1977

Eula Bingham
April 1977 - January 1981

David Zeigler (Acting)
January 1981 - March 1981

Thorne G. Auchter
March 1981 - April 1984

Patrick Tyson (Acting)
April 1984 - July 1984

Robert A. Rowland
(Recess appointment; never confirmed)
July 1984 - July 1985

Patrick Tyson (Acting)
July 1985 - May 1986

John A. Pendergrass
May 1986 - March 1989

Alan C. McMillan (Acting)
April 1989 - October 1989

Gerard F. Scannell
October 1989 - January 1992

Dorothy L. Strunk (Acting)
January 1992 - January 1993

David Zeigler (Acting)
January 1993 - November 1993

Joseph A. Dear
November 1993 - January 1997

Gregory R. Watchman (Acting)
January 1997 - November 1997

Charles N. Jeffress
November 1997 - January 2001

R. Davis Layne (Acting)
January 2001 - August 2001

John L. Henshaw
August 2001 - December 2004

Jonathan L. Snare (Acting)
January 2005 - April 2006

Edwin G. Foulke, Jr.
April 2006 - November 2008

Thomas M. Stohler (Acting)
November 2008 January 2009

Donald Shalhoub (Acting)
January 2009 - April 2009

Jordan Barab (Acting)
April 2009 - December 2009