Donald T. Regan
Don Regan 11th White House Chief of Staff In office February 4, 1985 – February 27, 1987 President Ronald Reagan Preceded by James Baker Succeeded by Howard Baker 66th United States Secretary of the Treasury In office January 22, 1981 – February 1, 1985 President Ronald Reagan Preceded by G. William Miller Succeeded by James Baker Chairman & CEO of Merrill Lynch In office 1971–1980 Personal details Born Donald Thomas Regan (1918-12-21)December 21, 1918 Cambridge, Massachusetts Died June 10, 2003(2003-06-10) (aged 84) Williamsburg, Virginia Political party Republican Spouse(s) Ann George Buchanan (m. 1942 - 2003, his death) Children Donna Regan Lefeve Donald Thomas Regan, Jr. Richard William Regan Diane Regan Doniger Alma mater Harvard University Profession Businessman Politician Religion Roman Catholic Military service Service/branch United States Marine Corps Rank Lieutenant Colonel Battles/wars World War II Donald Thomas "Don" Regan (December 21, 1918 – June 10, 2003) was the 66th United States Secretary of the Treasury, from 1981 to 1985, and Chief of Staff from 1985 to 1987 in the Ronald Reagan Administration, where he advocated "Reaganomics" and tax cuts to create jobs and stimulate production. Before serving in the Reagan administration, Regan served as Chairman and CEO of Merrill Lynch from 1971 to 1980. He had worked at Merrill Lynch since 1946 and before this he had studied at Harvard University and served in the United States Marine Corps, achieving the rank of lieutenant colonel.