Stephen Graves is the Abraham J. Siegel Professor of Management Science and a Professor of Mechanical Engineering and Engineering Systems at MIT. Dr. Graves received his Ph.D. in Operations Research from the University of Rochester. He is interested in the development and application of operations research models and methods to solve problems in manufacturing systems, supply chains, and service operations. Current projects include strategic inventory positioning in a supply chain and optimizing the design and configuration of an order fulfillment center. Dr. Graves was the Chair of the Faculty at MIT from 2001 to 2003. He has also served as Deputy Dean of MIT Sloan School of Management and Co-director of the MIT Leaders for Manufacturing program. He is a faculty affiliate of the MIT Operations Research Center. Dr. Graves has consulted extensively to industry and served in editorial capacities on several professional and academic journals.