Alper Sen is associate professor of Industrial Engineering at Bilkent University, Turkey. He obtained his Ph.D. degree in Operations Management from University of Southern California, and B.S. and M.S. degrees in Industrial Engineering from Bilkent University. Prior to his current position, he has worked as a supply chain management consultant in high-tech industry for three years. He was a visiting scholar at University of California-Berkeley and National University of Singapore. He had extensive research collaborations with companies such as Applied Materials, Hewlett Packard and Fiat and was the recipient of HP Laboratories Innovation Research Award. His current research interests are in inventory management and revenue management.