Senator John Cornyn III (born February 2, 1952) is an American politician and attorney serving as the senior United States Senator for Texas since 2002. He was the Republican Senate Majority Whip for the 114th and 115th Congresses. Cornyn also previously served as Chair of the National Republican Senatorial Committee from 2007 to 2011. Cornyn was born in Houston, the son of Atholene Gale Cornyn (née Danley) and John Cornyn II, a colonel in the U.S. Air Force. He attended the American School in Japan after his family moved to Tokyo in 1968, and graduated from it in 1969.