Who was the previous ruler of cuba?

The previous ruler of Cuba was Miguel Díaz-Canel, who succeeded Raúl Castro in April 2018. Raúl Castro had been in power since 2008, taking over from his brother Fidel Castro, who led the country from the revolution in 1959 until his retirement in 2006. Díaz-Canel is the first person outside the Castro family to hold the presidency since the revolution.