Dr. Dennis J. Sweeney (late) was Professor Emeritus of Quantitative Analysis and founder of the Center for Productivity Improvement at the University of Cincinnati. Born in Des Moines, Iowa, he earned a BSBA degree from Drake University and his DBA and MBA degrees from Indiana University, where he was an NDEA Fellow. Dr. Sweeney worked in the management science group at Procter & Gamble and has been a visiting professor at Duke University. Dennis also served as Head of the Department of Quantitative Analysis and four years as Associate Dean of the College of Business Administration at the University of Cincinnati. He has published more than 30 articles and monographs in the area of management science and statistics. Sweeney has co-authored 10 textbooks in the areas of management science, statistics, linear programming, and production and operations management.