Nezih Altay is Associate Professor of Operations Management. He holds a PhD in Operations Management from Texas A&M University and an MBA from the University of Texas – Pan American. His research focusing on forecasting and inventory control of spare parts has been highlighted in major academic conferences and published in leading journals, such as the International Journal of Production ... Read moreEconomics. His work in this area resulted in a Royal Society grant through which he started new projects on the management of spare parts with colleagues in the UK. Currently in the USA, he is in collaboration with the Defense Logistics Agency on improving service parts forecasts and inventory control. Dr. Altay sits on the editorial boards of Production and Inventory Management Journal and the International Journal of Services Sciences, and is an active member of APICS, POMS, DSI, ISM, and INFORMS.   Lewis A. Litteral is a member of the faculty of the University of Richmond.  He holds a PhD in Management Science from Clemson University, where he also earned a Master of Science degree in mathematical sciences with a concentration in statistics. He currently teaches courses in statistical analysis although he has taught a wide variety of other quantitative courses over the past 30 years. His current research interests include enterprise resource planning, forecasting intermittent demand, and statistical quality control. The common thread in this work is that it all lies at the intersection of information technology and operations management. His work in these areas has been published by various journals including Production and Inventory Management, Quality Engineering, the International Journal of Production Economics and the International Journal of Quality and Standards. Prior to beginning an academic career, he was employed by a large building materials supply company where his positions included all aspects ofoperations management, as well as sales. Show Less