- Honorary Professorship at the Beijing University of Technology (BJUT) [北京工业大学] in Beijing [北京], China, 2014
- Gold Medal of the Association of European Operational Research Societies (EURO), 2010
- Science Award of the Gesellschaft für Operations Research (GOR), 2005
- Offer of a full professorship at the RWTH Aachen in Aachen, Germany, 1996
- Harris German-Dartmouth Distinguished Visiting Professor at the Dartmouth College, Hanover, NH, USA, 1995
- Offer of a full professorship at the Erasmus Universiteit Rotterdam in Rotterdam, The Netherlands, 1990
- Offer of a full profesorship at the Faculty of Mathematics and Natural Sciences at the Universität zu Köln, in Cologne, Germany, 1989