Previously , Sundiata served as the chairman of the history department of Howard University .
Previously , Sundiata taught at Rutgers University , Northwestern University , the University of Illinois at Chicago , and the Universidade Federal da Bahia .
Previously , Sundiata served as the chairman of the history department of Howard University , and taught at Rutgers University , Northwestern University , the University of Illinois at Chicago , and the Universidade Federal da Bahia .