MARK S. DASKIN, PhD, is Clyde W. Johnson Collegiate Professor of Industrial and Operations Engineering as well as Department Chair at the University of Michigan. Dr. Daskin is the former editor-in-chief of both Transportation Science and IIE Transactions and continues to serve on the editorial boards of both journals. He is also on the editorial board of the IIE Transactions on Healthcare Systems Engineering and is the author of the award-winning book Service Science, also published by Wiley.