Stephan Janssen, based in Maastricht, LI, NL, is currently a Process engineer at Avantium, bringing experience from previous roles at StephanMedia, Stratasys, Covestro and DSM. Stephan Janssen holds a 2014 - 2014 General English in Advanced @ Sydney English Learning Centre (SELC). With a robust skill set that includes Tessitura, Teamwork, Microbiology, Photoshop and more, Stephan Janssen contributes valuable insights to the industry. Stephan Janssen has 1 email on RocketReach.