Dr.-Ing. Horst Schroeder is a founding member of the German Association of Building with Earth (Dachverband Lehm e. V.). For twenty years he was the chairman of the association and has been its honorary president since 2012. Up to 2012, he was a lecturer in the fields of “earth building” and “planning and building in developing countries” at the Bauhaus University Weimar, Germany. He has been active in research and teaching and has worked as a consultant for various German and international organizations.