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Samuel Augustus "Sam" Nunn, Jr. is an American lawyer and politician. Currently the co-chairman and Chief Executive Officer of the Nuclear Threat Initiative , a charitable organization working to reduce the global threats from nuclear, biological and chemical weapons, Nunn served for 24 years as a United States Senator from Georgia as a member of the Democratic Party. His political experience and credentials on national defense reportedly made him a potential running mate for Democratic presidential candidates John Kerry and Barack Obama .

Senator Nunn headshot 2010 cropped.jpg
Chairperson of the Senate Armed Services Committee
In office
January 3, 1987 – January 3, 1995
Preceded by Barry Goldwater
Succeeded by Strom Thurmond
United States Senator
from Georgia
In office
November 8, 1972 – January 3, 1997
Preceded by David Gambrell
Succeeded by Max Cleland
Personal details
Born Samuel Augustus Nunn, Jr.
(1938-09-08) September 8, 1938 (age 78)
Macon, Georgia, U.S.
Political party Democratic
Spouse(s) Colleen O'Brien
Children Michelle
Brian
Alma mater Georgia Institute of Technology
Emory University
Military service
Allegiance  United States
Service/branch  United States Coast Guard
Years of service 1959–1968

Samuel Augustus "Sam" Nunn, Jr. (born September 8, 1938) is an American lawyer and politician. Currently the co-chairman and Chief Executive Officer of the Nuclear Threat Initiative (NTI), a charitable organization working to reduce the global threats from nuclear, biological and chemical weapons, Nunn served for 24 years as a United States Senator from Georgia (1972 until 1997) as a member of the Democratic Party. His political experience and credentials on national defense reportedly made him a potential running mate for Democratic presidential candidates John Kerry (2004) and Barack Obama (2008).