Description:
(Politician) Chuck Hagel is an American military veteran and former politician who served as the 24th United States Secretary of Defense from 2013 to 2015 under President Barack Obama. Prior to this role, he was a United States Senator representing Nebraska and served as chairman of the President's Intelligence Advisory Board. Hagel co-founded Vanguard Cellular, held leadership positions in various business ventures, and was involved in academia as a professor. He also served on several boards of directors, including Chevron Corporation, and later resigned as Secretary of Defense due to conflicts within the administration.