Yuan Jiajun, male, Han ethnicity, was born in September 1962 and is from Tonghua, Jilin Province. He began his first job in July 1987 and joined the Communist Party of China (CPC) in November 1992. Yuan graduated from No.501 Division, Fifth Institute, Ministry of Aviation and Aerospace Industry where he completed a graduate program in spacecraft design and was awarded a Doctor of Engineering degree. He holds a professional title of research fellow.

Yuan is currently a member of the CPC Central Committee Political Bureau, Secretary of the CPC Zhejiang Provincial Committee, and Chairman of the Standing Committee of the Zhejiang Provincial People's Congress.