Member:
1996-2000 Steve Vai - guitars, vocals, keyboards  
1998-2003 James LaBrie - guitars  
2010- Joe Satriani - keyboards  
Studio musician:
2013 Dethklok - vocals  
Live musician:
2007- Dethklok - guitars, backing vocals  
Guest musician:
2004 Chain - vocals, guitar  
2005 Ulver - guitar