None, he was President of Cuba until February 2008, then he retired.
If Raul Castro has in fact become leader of Cuba it is because the position was given to him by his big brother - who probably still pulls the strings. You have to remember that Cuba's government is...
Fidel Castro handed over the position to him.
Raúl Castro (born 1931), the Cuban soldier & politician
He was the first Mexican in office in the whole United States