Member:
1990-2000 Yngwie Malmsteen - keyboards  
2000-2002 Ark - keyboards  
2009-2011 Ark - keyboards  
2011- Iron Mask - keyboards  
Live musician:
2003 Kamelot - keyboards  
Guest musician:
2001 Lion's Share - keyboards  
2003 Evil Masquerade - keyboards  
2006 Section A - keyboards