Founding members were Max Cavalera (vocals/guitar), Igor Cavalera (drums), Jairo T. (lead guitar) and Paulo Jr (bass).
Jairo T. left the band in 1986, he was replaced by Andreas Kisser.
Founding member and vocalist Max Cavalera left the band over a disagreement in 1996 and started the band Soulfly. Derrick Green took his place in 1997.
Founding member and drummer Igor Cavalera left the band in 2006 due to incompatibility of thoughts with the other members. Jean Dolabella replaced him shorty after but he's switched in late 2011 by Eloy Casagrande.