Joseph Vissarionovich Stalin was a Soviet politician and revolutionary who led the Soviet Union from 1924 until his death in 1953. He held power as General Secretary of the Communist Party from 1922 to 1952 and Chairman of the Council of Ministers from 1941 until his death. Initially governing as part of a collective leadership, Stalin consolidated power to become dictator by the 1930s; the totalitarian political system which he established is known as Stalinism.