William T. Coleman III (October 16, 1947 – November 29, 2020) was an American businessman who served as the CEO of Veritas Technologies.[1][2] He was also a partner at Alsop Louie Partners. He was the founder, chairman of the board and chief executive officer of various high-profile corporations, including BEA Systems and Cassatt Corporation, and had been a director at Symantec Corporation since 2003.[3][failed verification][4]