Grant is also a historian, Associate Fellow in the Centre for Caribbean Studies and producer for BBC Radio. He joined the BBC in 1991, and has worked as a TV script editor and radio producer of arts and science programmes on radio 4 and the World Service. He has written and directed plays including The Clinic, based on the lives of the photojournalists, Tim Page and Don McCullin.
Grant has written and produced several radio drama-documentaries including:
African Man of Letters: The Life of Ignatius Sancho
A Fountain of Tears: The Murder of Federico Garcia Lorca
Move over Charlie Brown: The Rise of Boondocks
Grant is represented by Sophie Lambert at Conville and Walsh
He lives in southern England with Jo and their three children, Jasmine, Maya and Toby.