was a co-founder of the game company Sproing. He was involved in a number of games, including Platonix Profi Edition (1995), Double Bobble 2000 (1995), Iron Soldier 3 (2000), The Nations: Gold Edition (2001), Pusher (2002), Industry Giant II (2002), Beam Breakers (2002), Wirtschaftsgiganten - Die Ultimative Collection (2003), Neighbors from Hell (2003), Moorfrog (2003), Itch! (2003), Industry Giant II: Gold Edition (2003), Crazy Chicken X (2003), (T)Raumschiff Surprise: Periode 1 (2004), Neighbors from Hell: On Vacation (2004), Crazy Kickers (2004), Crazy Chicken: Wanted (2004), Crazy Chicken: Kart 2 (2004), Undercover: Operation Wintersun (2006), Crazy Chicken: The Good, The Egg & The Ugly (2005), Crazy Chicken: Invasion (2005), Paws & Claws: Best Friends - Dogs & Cats (2006), Jacked (2006), Undercover: Dual Motives (2007), Riding Star 3 (2007), Panzer Tactics DS (2007), Crazy Chicken: Heart of Tibet (2007), Astrology DS: The Stars in Your Hand (2009), Cursed Mountain (2010), Schlag den Raab: Das 2. Spiel (2011), Schlag den Raab: Das 3. Spiel (2012), Panzer Tactics HD (2014) and Anno: Build an Empire (2015).