Albert Y. Ha is Wei Lun Foundation Professor of Business and Chair Professor at the Hong Kong University of Science and Technology.  He has published in major academic journals in the areas of supply chain management, economics of queuing systems and production and inventory control. He currently serves as a Department Editor of Production and Operations Management as well as an Associate Editor of Management Science, Operations Research and Manufacturing and Service Operations Management. He received his BSc in Civil Engineering from the University of Hong Kong, MBA from the Chinese University of Hong Kong and PhD in Business from Stanford University. Christopher Tang is UCLA Distinguished Professor and the Edward W. Carter Professor of Business Administration at the UCLA Anderson School.  He is a renowned scholar in supply chain managementwho has published 5 books and over 100 research articles.  Also, he is the recipient of numerous research awards including lifetime fellow awards of the Institute for Operations Research and Management Science (INFORMS), the Production and Operations Management Society (POMS), and the Society of Manufacturing and Service Operations Management (MSOM).  After completing his Presidency of the Production and Operations Management Society (POMS) in 2014, he now serves as Editor-in-Chief for the Manufacturing and Service Operations Management (M&SOM) journal.  Chris received his BSc (First Class Hons.) from King’s College (London), M.A., MPhil, and PhD from Yale University.