1In July, 1992, he received his Ph.D. from Wharton Business School in the United States. 1July 1992 to present, he has served as assistant professor, associate professor, tenured associate professor, tenured professor and professor Ira Rennert in business school. He has served as the field editor and editorial board of international first-class journals such as Management Science and Operational Research. In 2005, he served as the president of American Manufacturing and Service Operation Management (MSOM) Association. In the field of operation management, a brand-new inventory management method is proposed, and a series of important inventory management problems with random demand are solved on this basis. He has made contributions to the theory of information sharing and coordination in the supply chain and is in an international leading position in the interdisciplinary field of operation and marketing management. He has published more than 30 papers in internationally renowned academic journals.