Bai Sijun,1born in February 1964, was born in Chengcheng, Shaanxi. Doctor, international senior project manager, IPMP B certification. Now he is a professor and doctoral supervisor at the School of Management of Northwestern Polytechnical University. At the same time, he is the deputy director of China (Double Law) Project Management Research Committee, the president of Project Management Society, the director of IPMP China Certification Committee Office, and the general manager of Xi 'an Huading Project Management Consulting Co., Ltd., teaching mainly undertakes the teaching and guidance of graduate students and MBA students majoring in management science and engineering, and edited the national 11th Five-Year Plan textbook Project Management Case Tutorial and the 11th Five-Year Plan textbook Introduction to National Defense Project Management of the National Commission of Science, Technology and Industry for National Defense. In scientific research, he is responsible for the research work of more than 20 scientific research topics such as "Research on maturity model of organizational project management based on C-PMBOK" of the National Natural Science Foundation.