Kammala jumla mai zuwa: An haifi Keith Claudius Mitchell a cikin al'ummar Brizan, Saint George. Mitchell ya kammala karatunsa daga Jami'ar West Indies tare da digiri na digiri a fannin ilmin lissafi da ilmin sunadarai a shekarar 1971. Ya sami digiri na biyu a Jami'ar Howard a shekarar 1975 da kuma digiri na biyu a fannin lissafi da kididdiga daga Jami'ar Amurka a shekarar 1979. Sannan ya yi aiki a matsayin masanin kididdiga a Kimiyyar Gudanar da Aikace-aikacen, yana ba da tallafin kididdiga ga Hukumar Kula da Bayanai na Makamashi ta Amurka. A cikin 1984, Mitchell ya bar ayyukansa na sana'a don komawa gida zuwa Grenada bayan da aka kashe shi.
Mamayewar Amurka.