High Quality Content by WIKIPEDIA articles! Fidel Alejandro Castro Ruz (Spanish: ; born August 13, 1926) is a Cuban revolutionary and politician, having held the position of Prime Minister of Cuba from 1959 to 1976, and then President from 1976 to 2008. He also served as the First Secretary of the Communist Party of Cuba from the party`s foundation in 1961 until 2011. Politically a Marxist-Leninist, under his administration the Republic of Cuba was converted into a one-party socialist state, with industry and business being nationalised under state ownership and socialist reforms implemented in all areas of society.