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　　Mr. Chen Yun, a senior economist, is Chairman of CREC and China Railway Engineering Corporation (CRECG). He began to work in 1983. From April 2007 to March 2017, he served as Deputy CEO of China Communications Construction Company Limited (CCCC), and from September 2017 to June 2019, he served as Executive Director of CCCC. In 2019, he joined CREC. From August to October 2019, he served as President of CREC, and CEO and Director of CRECG. From October 2019 to November 2020, he served as President and Executive Director of CREC, and CEO and Director of CRECG. From November to December 2020, he served as President and Executive Director of CREC and Chairman of CRECG. Since December 2020, he has been Chairman of CREC and CRECG. Mr. Chen graduated from the Department of Harbor Engineering at East China Technical University of Water Resources (today’s Hohai University) with a bachelor’s degree in engineering, and later obtained an MBA degree at Tsinghua University.