Jens started making games professionally in 1998, but was an active hobbyist on the Atari demo scene since the late 80’s. Having joined Starbreeze Studios in the early days he served in various roles such as Environment Artist, Level Designer, Art Director and Creative Director for games such as Sorcery (unreleased), Enclave (2002), The Chronicles of Riddick: Escape from Butcher Bay (2004) and The Darkness (2007). In 2009 he co-founded MachineGames and subsequently shipped Wolfenstein: The New Order (2014) and Wolfenstein II: The New Colossus (2017), winner of Best Action Game at the 2017 Game Awards, as Creative Director and Writer.