Wolfgang A. Herrmann is president of the Technical University of Munich and has received several awards for his work in organometallic chemistry, like the Otto-Bayer Medal, the ACS Award in Organometallic Chemistry, the Werner-Heisenberg Medal of the Alexander von Humboldt foundation and many more. He has authored a plethora of publications and is the editor of numerous bestselling books.

Istvan Horvath is Professor at the Eotvos Universitiy in Budapest. He is the Editor-in-Chief of the "Encyclopedia of Catalysis" and has chaired many meetings and symposia in the areas of green chemistry and catalysis.

Walter Leitner holds the chair of Technical Chemistry and Petrochemistry at RWTH Aachen (successor to Prof. Keim). In November 2003 he became external scientific member of the Max-Planck-Institut furohlenforschung.

Stefan Mecking was research associate at the Freiburg Materials Research Center and Institute of Macromolecular Chemistry of Albert-Ludwigs-University Freiburg. Since March 2004 he is full professor at Konstanz University, Chair of Chemical Materials Science. He has received the BASF Catalysis Award and the Otto-Roelen-Medaille.

H. Olivier-Bourbigou is research associate at the Ecole du Petrole et du Moteurs and her research interest are ionic liquids and green chemistry.

Dieter Vogt is full professor in inorganic chemistry and catalysis. He received his Ph.D. from Aachen University of Technology in 1992 with prof. W. Keim as supervisor. He did his Habilitation at the Institute of Industrial Chemistry and Petrochemistry of the RWTH Aachen. End of 1998 he was appointed as full professor of Inorganic Chemistry and Coordination Chemistry at Eindhoven University of Technology. His main research interest are in the field of homogeneous catalysis, catalyst recycling and new materials for application in catalysis.