With over 25 years of experience in the contemporary art world, John Haas brings a deep expertise in gallery development, collection management, international art fairs, and artist relations. Based between Montreux, Miami, and New York, he leads international sales and client development for Laurent Marthaler Contemporary.
A former gallery owner in Berlin and founder of Haas Art Advisory in New York, John has held senior positions in several respected galleries, combining strategic leadership with art advisory and global market expansion. Fluent in English, Spanish, and German, he is known for his relationship-driven approach, commitment to ethical artist representation, and passion for creating meaningful connections between art and audiences.