Sy-Ming Guu received a Ph.D. (1993) in Operations Research from Stanford University, Stanford, CA, USA. He was a Professor in the Department of Information Management and College of Management at Yuan Ze University and is now a Professor at the Graduate Institute of Business and Management, College of Management, Chang Gung University. His research interests include mathematical programming, matrix theory, fuzzy matrix theory, economic analysis and mathematical finance, and fuzzy relation programming.