Charles Timothy Hagel (/ˈheɪɡəl/ HAY-gəl; born October 4, 1946) is an American military veteran and former politician who served as a United States senator from Nebraska from 1997 to 2009 and as the 24th United States secretary of defense from 2013 to 2015 in the Obama administration. A recipient of two Purple Hearts while an infantry squad leader in the Vietnam War, Hagel returned home to start careers in business and politics. He co-founded Vanguard Cellular, the primary source of his personal wealth, and served as president of the McCarthy Group, an investment banking firm, and CEO of American Information Systems Inc., a computerized voting machine manufacturer. A member of the Republican Party, Hagel was first elected to the United States Senate in 1996. He was reelected in 2002, but did not run in 2008. (Source: Wikipedia.org, CC BY-SA)