 Legislative power is exercised through the unicameral National Assembly of People's Power, which is constituted as the maximum authority of the state.With effect from 19 April 2018, Miguel Díaz-Canel is President of the Council of State and President of the Council of Ministers (sometimes referred to as the Prime Minister).The previous president, Raúl Castro — brother of former leader Fidel Castro — remains First Secretary of the Communist Party of Cuba, and Commander-in-Chief of the Revolutionary Armed Forces.