Sanity Is Dead (august 1991) announced Mr. Pet was one of several members recently dismissed from Sanity. He later rejoined.

He worked on a number of games, including Tunnel B1 (1996) , Killer Loop (1999), RTL Skispringen Herausforderung 2001 (2000), RTL Skispringen 2002 (2001), RTL Skispringen 2003 (2002), RTL Skispringen 2004 (2003), Ski Alpin 2005 (2004), Ski Alpin 2006 (2005), RTL Skijumping 2006 (2005), Torino 2006 (2006), RTL Winter Games 2007 (2006), RTL Ski Jumping 2007 (2006), Alpine Ski Racing 2007: Bode Miller vs. Hermann Maier (2006), Winter Sports: The Ultimate Challenge (2007), Winter Sports 2: The Next Challenge (2008), Summer Athletics: The Ultimate Challenge (2008), RTL Biathlon 2009 (2008) and Summer Athletics 2009 (2009).