Zheng Yujie is the Assistant President of China Development Institute. He is also expert of the Science and Technology Group of Shenzhen Pilot Demonstration Zone, member of the Standing Committee of the CPPCC Luohu District, Shenzhen, and President of the Luohu District Intellectual Association. He has been engaging in government decision-making research in the fields of urban economic development and strategic emerging industry planning throughout his career. He has presided over or participated in over a dozen of development planning research projects commissioned by national ministries and local governments, including "Research on Guangdong-Hong Kong-Macao Greater Bay Area: A World-class Science and Technology Innovation", "Policy Research on Shenzhen's Construction of an International Science and Technology Industry Innovation Center". His published books include "Dual Circulation: New Development Pattern for the 14th Five Year Plan Period".