Additional contributors are the DECHEMA, the FIZ CHEMIE (Berlin), the Technical University in Tallinn, and others.
From 1991 to 1997 he was member of the board DECHEMA (a scientific association of chemical technology, chemical engineering and biotechnology), and a permanent member of he German Chemical Society, the German Bunsen Society for Physical Chemistry, German Society for Coal, Oil and Gas, and finally the American Chemical Society.