Chairman Dr. Constanze Küsel   Handwerkskammer Koblenz, Germany Vice-Chairman   Dipl.-Ing. Ulrich Röhlen    CLAYTEC e.K. , Germany Board Secretary   Dr.-Ing. Christof Ziegert   ZRS architects engineers, Berlin, Germany Treasurer   Dipl.-Ök. Manfred Lemke    Freelance consultant Administrator   Dipl.-Ing. Stephan Jörchel    Freelance engineer       Lehmbau Regeln Consultant   Dipl.-Ing. Franz Volhard   Schauer + Volhard Architects BDA, Darmstadt