Saul Stacey Williams (born February 29, 1972) is an American rapper, singer, songwriter, musician, poet, writer, and actor. He is known for his blend of poetry and alternative hip hop, and for his lead roles in the 1998 independent film Slam and the 2013 jukebox musical Holler If Ya Hear Me.

Source: Wikipedia (https://en.wikipedia.org/wiki/Saul_Williams)