Justin Ingleton, known professionally as Bigg Jus, is an American rapper and record producer who has been active since 1993. From Queens, New York, Bigg Jus began his music career as a member of Company Flow alongside El-P and Mr. Len. The group released their debut EP, Funcrusher, in 1995 and the album Funcrusher Plus in 1997. After Company Flow disbanded in 2001, Bigg Jus pursued a solo career, moving to Atlanta, Georgia, and releasing his self-produced EP Plantation Rhymes. His first solo album, Black Mamba Serums, was revised and released as Black Mamba Serums v2.0 in 2004 on Big Dada Records. In 2012, he released Machines That Make Civilization Fun on Mush Records.