LAWRENCE V. SNYDER, PhD, is Associate Professor in the Department of Industrial and Systems Engineering at Lehigh University, where he also serves as Co-Director for the Center for Value Chain Research.¿He has written numerous journal articles in his areas of research interest, which include optimization models for supply chain management with a focus on models for the design and operation of robust and reliable supply chains.

ZUO-JUN MAX SHEN, PhD, is Chancellor's Professor in the Department of Industrial Engineering and Operations Research at the University of California, Berkeley. Dr. Shen has published extensively in the areas of integrated supply chain design and management, practical mechanism design, and applied optimization.