About
Charles "Chuck" Timothy Hagel is an American politician and Army veteran. He served as the 24th United States Secretary of Defense from 2013 to 2015 under President Barack Obama. Before this role, he was the chairman of the President's Intelligence Advisory Board from 2009 to 2013. Hagel also represented Nebraska as a United States senator from 1997 to 2009.
Career Timeline
Served in Vietnam War
Military service earns commendations, shaping his future career.
Cofounded Vanguard Cellular Systems
Business venture launches his financial success.
Elected to U.S. Senate
Begins representing Nebraska in the Senate.
Advisory Board Chairman
Named chairman of the President's Intelligence Advisory Board.
Appointed Secretary of Defense
Appointed Secretary of Defense under President Obama.
Resigns as Defense Secretary
Returns to private sector; speaking engagements, board positions.
Public speaker and advisor
Hagel remains involved in policy discussions, offering expertise.
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Last updated: February 25, 2026