Mr Graneau was born on the February 1st, 1954 in Atkinson. He attended the Atkinson Primary School and later, the Vielle Case Primary School.
Mr Graneau holds G.C.E passes in West Indian History, English and Human and Social Biology. He attended the Teachers’ Training College from 1989 to 1991.
He taught at the Atkinson Primary School from 1970 – 1985, Belles Primary School from 1985 – 1990 and the Sineku Primary School from 1991 – 2005. He also worked as Adult Education Aide (Ag) for the Eastern District from 2005 – 2009.
His Political career started in 2009 when he contested the General Elections in December of that year and won the seat as Parliamentary Representative for the Carib Territory. In January of 2011, he was sworn in as Hon. Minister for Carib Affairs, a position he held until the December 2014 elections.
Mr. Graneau has been an active member in the Carib Territory, now called Kalinago Territory. He served as executive member of the Waraka Youth Movement of Atkinson from the 1970’s until 1985, been an executive member of the Lumber Extraction Co-operative of Atkinson and Bataka from 1976 – 1984, President of the St. Francis Co-operative Credit Union from 1980 – 1985, Public Relations Officer (PRO) of the Primary Health Care Committee from 1980 – 1985, Secretary of the Carib Committee for Justice (1997 – 2005), member of the Mahaut River/Gaulette River Development Committee (2000 – 2008) and member of the Flamboyant Cultural Group (2000 – 2007). In addition, he played cricket for five (5) different teams from Atkinson to Sineku. He also played volleyball.