Craig Smilowski replaced original Immolation drummer Neal Boback, who left the band six weeks before the scheduled recording of Immolation's official debut album "Dawn Of Possession" in 1990.



Craig Smilowski first stepped into play session drums for the album but became a full time member shortly after the record was completed in 1991.



Craig Smilowski left the band shortly after Immolation unleashed the brutal devastation of "Here In After", their second album.



Similowski was replaced by ex-Fallen Christ drummer, Alex Hernandez.