Keith Cozart

Keith Farrelle Cozart, better known by his stage name Chief Keef, is an American rapper, singer, songwriter, and record producer. Cozart's music first became popular during his teen years in the early... Keith Farrelle Cozart, better known by his stage name Chief Keef, is an American rapper, singer, songwriter, and record producer. Cozart's music first became popular during his teen years in the early 2010s among high school students from Chicago's South Side.