The ÖISS (Austrian Institute for School and Sports Facility Construction) is a foundation established by the federal government and all Austrian states. For more than 60 years, it has served as a center of expertise for the planning, construction, and operation of educational institutions as well as sports and physical education facilities in Austria.Christian Kühn studied architecture at TU Wien and ETH Zurich. Since 2001, he has been Professor of Building Theory at TU Wien, with a focus on educational architecture. From 2008 to 2023, he served as Dean of Studies for Architecture and Building Science. He is an architecture critic for professional journals and daily newspapers and chairs the Austrian Advisory Council on Building Culture.