He began his career as an instructor at the US Military Academy, West Point and later served as Staff Judge Advocate of the 11th and 82nd Airborne Divisions, the Berlin Command, Germany and in the International Affairs Division, Department of the Army. Retiring from the US Army in 1961, he entered politics in his native State of South Carolina with grassroots work in the initial formation of a viable Republican party, gaining election to the State Senate in 1966. Ambassador Smoak served on the State Constitutional Revision Commission during 1967-1968; the President’s Commission on National Security, Department of Defense; and on the Transitional Team for the Department of State, 1980. He was also a Co-Chairman on the Committee of Finance for candidate Ronald Reagan.
He is retired from the law firm of Shipley, Smoak and Henry of Washington, DC, and the practice of International Law, Marion H. Smoak also was engaged in real estate development for much of his professional career.
Sold in 2011 for $500K.