The Decision Sciences Institute is a multidisciplinary international association dedicated to advancing knowledge and improving instruction in all business and business-related disciplines. To carry out this mission, the Institute facilitates the development and dissemination of knowledge in the diverse disciplines of the decision sciences through numerous publications, conferences, and other services.

Through national, international and regional meetings, competitions, and publications such as the Decision Sciences journal, the Institute provides an international forum for presenting and sharing research in the study of decision processes, covering numerous disciplines, in both traditional and emerging areas of study. Specifically, the Institute seeks to define the scope of quantitative methods to functional and behavioral problems of administration and the degree of sophistication that should be achieved by graduates of collegiate schools of business administration.

The Institute is located at and receives extensive support from the J. Mack Robinson College of Business, Georgia State University, Atlanta, Georgia. Five regional subdivisions in the United States and an Asia-Pacific Region operate within the Institute. Each subdivision has its own elected officers and representative on the board of directors and each holds annual meetings and publishes its conference proceedings.