Mr. Graneau started his education in 1963 by attended the Atkinson Primary School. In 1980, he travelled to Cuba to pursue a diploma in Political Science which he completed in 1981.
In 1995, Mr. Graneau became a member of Parliament and was the Opposition Senator until the year 2000. He continued as a member of Parliament until 2010.
He became the first minister of Carib Affairs in 2005 and remained until December 2009. Presently, he holds the post of Project Officer in the Ministry of Carib Affairs.