Reagan also appointed more federal judges than any other president, including four Supreme Court Justices. Reagan tapped James Baker, who had run Bush's 1980 campaign, as his first chief of staff. Reagan selected David Stockman, a young congressman from Michigan, as the Director of the Office of Management and Budget. CIA director William J. Casey emerged as an important figure in the administration, as the CIA would figure prominently into Reagan's Cold War initiatives. Reagan downgraded the importance of the national security advisor, and six different individuals held that position during Reagan's presidency.Haig left the cabinet in 1982 after clashing with other members of the Reagan administration, and was replaced by another former Nixon administration official, George P. Shultz.