| 1960/61: | 1 year postgraduate fellowship, University of Oxford, England |
| 1965: | Ford Foundation Fellowship: Research Workshop in Management Science, University of California at Berkeley |
| 1966: | Undergraduate Instructional Award, University of Illinois |
| 1985: | EURO Gold Medal: Highest distinction in the area of Operations Research in Europe, awarded by the Association of European Operational Research Societies (EURO) (1st Recipient) |
| 1985: | K.S. Fu Certificate of Appreciation: Highest distinction of the "North American Fuzzy Information Processing Society" (1st Recipient) |
| 1986: | Dr. honoris causa, Free University of Brussels |
| 1993: | Moisil Prize and Gold Medal for outstanding contributions to the theory and applications of fuzzy systems (Rumänien) (1st Recipient) |
| 1997: | Kaufmann Prize: Gold Medal for Excellence in Uncertainty Research in Managemant (1st Recipient) |
| 1998 | Dr. honoris causa, Abo Akademi University, Finnland |
| 1998 | First Laureate of "EURO Pass in Gold" |
| 1999 | "EUROPEAN PIONEERS AWARD" awarded by EUSFLAT |
| 1999 | 1. Honorary Member of "Deutsche Gesellschaft für Operations Research" |
| 1999 | "Special Certificate of Merit" given by the IFSA (International Fuzzy Systems Ass.) |
| 1999 | Fellow of IFSA |
