Preston "Pete" Murdoch Geren III[2] (born January 29, 1952) is an American attorney and politician who served as the 20th United States Secretary of the Army from July 16, 2007, to September 16, 2009.
He is the president of the Sid W. Richardson Foundation in Fort Worth, Texas[3] and is a member of the board of trustees of the Institute for Defense Analyses in Alexandria, Virginia.
His older brother, Charlie Geren, is a Republican member of the Texas House of Representatives from District 99 in Tarrant County.
He narrowly defeated Republican candidate, well known Fort Worth allergist Bob Lanier (not to be confused with the mayor of Houston of the same name).
On July 29, 2005, Bush appointed Geren the acting United States Secretary of the Air Force, a position he served in until the confirmation of his successor Michael Wynne in November 2005.
Geren was the 28th Undersecretary of the Army, a post he assumed on February 21, 2006, following his nomination by President George W. Bush and confirmation by the United States Senate.