Rafael Leónidas Trujillo Molina ( troo-HEE-yoh; Spanish: [rafaˈel tɾuˈxiʝo]; 24 October 1891 – 30 May 1961), nicknamed "El Jefe" (Spanish: [el ˈxefe]; lit. 'The Boss'), was a Dominican military officer and dictator who ruled the Dominican Republic from August 1930 until his assassination in May 1961. He was the 36th and 39th president from 1930 to 1938 and again from 1942 to 1952. He also served as the first generalissimo, the de facto most powerful position in the country at the time from 1930 until his assassination.