Katja Haß completed her training as a stage and costume designer under Erich Wonder in Vienna. From 1996 to 2000, she was the resident set designer at the Staatstheater Stuttgart. Since then, she has regularly collaborated with Stephan Kimmig and has designed almost all of the sets for his productions in drama and opera in recent years. From 2000 to 2002, she served as head of the atelier and resident set designer at the Thalia Theater Hamburg, and from 2009 to 2011 as head of the atelier at the Deutsches Theater Berlin. She accompanied the reopening of Schauspiel Hannover in 2019 as resident set designer. In 2007, she received the Karl-Schneider-Preis awarded by the Free and Hanseatic City of Hamburg. For the production “Maria Stuart”, invited to the Theatertreffen, she was awarded the 3sat Prize in 2008 together with Stephan Kimmig for particularly forward-looking achievements in German drama. In the category “Space”, Katja Haß won the German Theatre Award Der Faust in 2022 for “Die Träume der Abwesenden” at the Residenztheater Munich.