Joerg Zimmermann studied pharmacy in Freiburg, Germany and Cardiff, Wales. He joined Vetter in 1994 as assistant head of production. Within Vetter, he has held various positions in process implementation, new product introduction, lyophilisation process development and as production manager before becoming Head of Production of Vetter's production site at Lake Constance in 2000. There he was responsible for 5 production lines for aseptically prefilled injection systems. In September 2010 Joerg became responsible for the process development and process introduction group at Vetter before being promoted to Vice President of Vetter Development Services in November 2014. Here, he is responsible for process development and implementation, packaging component development and chemical-analytical development services.