Stefan Schwarzmann joined KROKUS right before they started recording the 2006 release "Hellraiser". Between 2006 and February 2008 Stefan toured with the "Hellraiser" line-up and was part of what would become KROKUS' most extensive concert activities in their 3-decade spanning career.

Prior to joining KROKUS Stefan played in successful German bands "Axxis" and "Helloween". He replaced Patrick Aeby on drums and was the first German musician in KROKUS's line-up.