Member:
1987-1990 Sodom - guitars (as Frank Blackfire)  
1989-1996 Kreator - guitar (as Frank Blackfire)  
2012- Frank Blackfire - guitars, vocals (as Frank Blackfire)  
2016- Assassin - guitars (as Frank Blackfire)  
Studio musician:
1997-1998 Black Messiah - guitars (as Frank Blackfire)