Prof. Arno Behr is the Chair of Technical Chemistry at the University of Dortmund, Germany. His research and teaching interests include: Homogeneous transition metal catalysis, esp. Development and optimization of catalytic systems, Investigation of catalysts in miniplants, Reclycling of homogeneous catalysts with the two-phase-technique and Heterogeneous transition metal catalysis as well as the Technical chemistry of renewable raw materals. Before his academic appointment, Prof. Behr was a departmental had at Henkel, Dusseldorf, Germany from 1986 to 1996.