Since 2004 Karl-Wilhelm Koch is a W3 Professor of Biochemistry at the University of Oldenburg, Germany, since 2013 at the Department of Neuroscience, and between 2004 and 2012 at the Institute for Biology and Environmental Sciences. In the years 1993 to 2004 he was PD Dr. at the Institute of Biological Information Processing in the Research Center Jülich, Germany, and was a Lecturer at the University of Cologne, Germany. From 1988 to 2004 he was a Senior scientist and head of the laboratory of Biochemistry at the Institute of Biological Information Processing in the Research Center Jülich, Germany. Between 1987 and 1988 Prof. Koch was a Postdoctoral fellow at the Department of Cell Biology, Stanford University, California, USA (Laboratory of Prof. Dr. Lubert Stryer). In 1986 he graduated as a Dr. rer. nat. in Biochemistry (summa cum laude), University of Osnabrück, under the supervision of Prof. Dr. U. Benjamin Kaupp (University of Osnabrück, Germany, Department of Biophysics; Chair: Prof. Dr. Wolfgang Junge). In 1993 Prof. Koch finished his Habilitation (venia legendi) for Biochemistry at the Faculty of Natural Sciences of the University of Cologne, in Germany. His mentor was Prof. Dr. U. Benjamin Kaupp (Director of the Institute of Biological Information Processing, Research Center Jülich, Germany).