Konrad-Zuse-Zentrum für
Informationstechnik Berlin (ZIB)
Takustr. 7
D-14195 Berlin-Dahlem
Germany
E-Mail: groetschel@zib.de
Telefon: +49 30/84185-210
Telefon: +49 30/84185-208 and -209 (secretaries)
Telefax: +49 30/84185-269
personal URL: http://www.zib.de/groetschel/
Professor at TU Berlin and Vice President of ZIB since 1991.
Fields of mathematical interest: Optimization, combinatorics