Member of International Organizations and Societies:

• American Mathematical Society, since 1980
• IEEE Computer Society, since 1997
• International Biographical Centre, Advisory Council, Cambridge, England, since 1995
• Research Board of Advisors, American Biographical Institute, since 1996
• Association for Computing Machinery, since 1998
• Society of Mathematical Science, Romania, since 1978

Quoted in the following encyclopedic works :

• International Book of Honor, Fourth World Edition (p.223)
• Dictionary of International Biography, Twenty Fourth Edition (p.328)
• Who's Who in the World, 19th Edition

Certificate of Merit, awarded by International Biographical Centre, Cambridge, England (May,1995)