– Boardmember of “World Bioenergy Association” WBA, Stockholm, Sweden
– Member of ISEBTT
– Co-chair of the ProcessNet expert committee „Lebensmittelverfahrenstechnik” (food processing)
– Member of the Technical Advisory Board of VICTAM fair, Cologne, Germany
– Member of the Academic Advisory Councils of the „Internationales Forschungsinstitut Futtermitteltechnik“ (Research Institute of Feed Technology), Braunschweig, Germany and the „Deutsches Institut für Lebensmitteltechnik“ (German Institute of Food Technologies), Quakenbrück, Germany
– Member of VDI, Dechema and GDL
– Founder Member of IBTC (International Biomass Torrefaction Council)
– Reviewer at AIF (Arbeitsgemeinschaft Industrielle Forschung), Bonn, Germany
– Expert at DIN (pellets from biomass), Berlin, Germany