Professor William G. Marchal got his B.S. in mathematics from the University of Dayton, his M.A. in mathematics from the Catholic University of America, and his D.Sc. in operations research from George Washington University. He is an Emeritus Professor of Information Systems & Operations Management at the University of Toledo. William has held visiting appointments at the George Mason University and the University of Michigan. He has worked at the George Washington University Institute for Management Science, the Executive Office of the District of Columbia government, and the U.S. Army Chemical Research and Development Center. He has also served as an associate editor of Naval Research Logistics.