Patrick Constantin Haas (1987, Germany) is the newest addition at Witte de With's curatorial staff. He holds an MA in Art History from Rheinische Friedrich-Wilhelms-University in Bonn and a BA in in Art History and Psychology.

Prior to joining Witte de With he worked as Assistant Curator at the Kölnischer Kunstverein (2015-2017) and did his curatorial trainee at the Bonner Kunstverein (2013-2015). Since April 2015 (ongoing) he runs his own project space MÉLANGE in Colgone (Germany) which realized shows with Jessica Gispert, Melike Kara, Paul Czerlitzki, Piot Lakomy, Anders Clausen, Patrick Fabian Panetta, and many others.