About our authors
Lee J. Krajewski is Professor Emeritus at The Ohio State University and Professor Emeritus at the University of Notre Dame. While at The Ohio State University, he received the University Alumni Distinguished Teaching Award and the College of Business Outstanding Faculty Research Award. He initiated the Center for Excellence in Manufacturing Management and served as its director for 4 years. Lee also served as Acting Director of the Executive MBA Program, Chairperson of the Department of Management Sciences, and Academic Director of the MBA Program at The Ohio State University. At the University of Notre Dame, he held the William and Cassie Daley Chair in Management. In addition, he received the National President's Award and the National Award of Merit of the American Production and Inventory Control Society (APICS). He served as president of the Decision Sciences Institute and was elected a Fellow of the Decision Sciences Institute in 1988. He received the Distinguished Service Award in 2003. Lee has conducted seminars and consulted for firms such as Sany Corporation, Westinghouse Corporation, Franklin Chemical, and BancOhio.
Lee received his PhD from the University of Wisconsin. Over the years, he has designed and taught courses at both graduate and undergraduate levels on topics such as operations strategy, introduction to operations management, operations design, project management, and manufacturing planning and control systems.
Lee served as the editor of Decision Sciences, was the founding editor of the Journal of Operations Management, and has served on several editorial boards. Widely published himself, Lee has contributed numerous articles to such journals as Decision Sciences, Journal of Operations Management, Management Science, Production and Operations Management, International Journal of Production Research, Harvard Business Review, and Interfaces, to name just a few. He co-authored papers that won the Best Theoretical/Empirical Paper awards at 3 national Decision Sciences conferences. He also co-authored 2 papers that won the Stanley T. Hardy Award for the best paper in operations management. Lee's areas of specialization include operations strategy, manufacturing planning and control systems, supply chain management, and master production scheduling.
Manoj K. Malhotra is the Dean and Albert J. Weatherhead III Professor of Management at the Weatherhead School of Management, Case Western Reserve University, and a member of the Leadership Cleveland class of 2019. Previously, he served as the Senior Associate Dean of Graduate Programs, Jeff B. Bates Professor, and Chairman of the Management Science Department at the Darla Moore School of Business, University of South Carolina (USC), Columbia. He also served from 2005 to 2017 as the founding director of the Center for Global Supply Chain and Process Management (GSCPM) at the Moore School. He earned an engineering undergraduate degree from the Indian Institute of Technology (IIT), Kanpur, India, in 1983, and a PhD in operations management from The Ohio State University in 1990. He is a Fellow of the Decision Sciences Institute (DSI), Production and Operations Management Society (POMS), and the American Production and Inventory Management Society (APICS). Manoj has conducted seminars and consulted with firms such as Avaya, BMW, Continental, Cummins Turbo Technologies, Delta Air Lines, John Deere, Metso Paper, Palmetto Health, Sonoco, Verizon, Walmart, and Westinghouse-Toshiba, among others.
Apart from teaching operations management, supply chain management, and global business issues at USC, Manoj has also taught at the Terry School of Business, University of Georgia; Wirtschaftsuniversität Wien in Austria; and the Graduate School of Management at Macquarie University, Australia. His research has thematically focused on the deployment of flexible resources in manufacturing and service firms, on operations and supply chain strategy, and on the interface between operations management and other functional areas of business. His work on these and related issues has been published in the leading refereed journals of the field, such as Decision Sciences, European Journal of Operational Research, Interfaces, Journal of Operations Management, and Production and Operations Management. Manoj has been recognized for his pedagogical and scholarly contributions through several teaching and discipline-wide research awards. He was the recipient of the Michael J. Mungo Outstanding Graduate Teaching Award in 2006, the Carolina Trustee Professor Award in 2014, and the Breakthrough Leadership in Research Award in 2014 from the University of South Carolina. He has been the program chair for international conferences at both the Decision Sciences Institute (DSI) and Production and Operations Management Society (POMS). He also served as the president of POMS in 2017 and continues to serve as a senior editor for that journal.
Larry P. Ritzman is Professor Emeritus at The Ohio State University and Professor Emeritus at Boston College. While at The Ohio State University, he served as department chairman and received several awards for both teaching and research, including the Pace Setters' Club Award for Outstanding Research. While at Boston College, he held the Thomas J. Galligan, Jr. chair and received the Distinguished Service Award from the School of Management. He received his doctorate at Michigan State University, having had prior industrial experience at the Babcock and Wilcox Company. Over the years, he has been privileged to teach and learn more about operations management with numerous students at all levels: undergraduate, MBA, executive MBA, and doctorate.
Particularly active in the Decision Sciences Institute, Ritzman has served as council coordinator, publications committee chair, track chair, vice president, board member, executive committee member, doctoral consortium coordinator, and president. He was elected a Fellow of the Decision Sciences Institute in 1987 and earned the Distinguished Service Award in 1996. He has received 3 best-paper awards. He has been a frequent reviewer, discussant, and session chair for several other professional organizations.
Ritzman's areas of particular expertise are service processes, operations strategy, production and inventory systems, forecasting, multistage manufacturing, and layout. An active researcher, Ritzman's publications have appeared in such journals as Decision Sciences, Journal of Operations Management, Production and Operations Management, Harvard Business Review, and Management Science. He has served in various editorial capacities for several journals.
