On July 30, the Shandong Provincial People's Government issued a notice on the appointment of Zheng Deyan. According to
the announcement, Zheng Deyan was appointed Deputy Director of Shandong Development and Reform Commission (Department level, ranking first) and Director of Shandong Energy Bureau. According to public information, Zheng Deyan, male, Han nationality, born in September 1969, Wulian, Shandong Province, took part in work in June 1989, joined the Communist Party of China in May 1988, in-service graduate student, doctor of agriculture.
1986.09-1989.06 Majored in Mathematics, Department of Mathematics, Lanzhou University (graduated one year ahead of schedule)
1989.06-1997.08 Worked in Aquatic Products Bureau of Huangdao District, Qingdao and Aquatic Products Corporation of Qingdao Development Zone. Successively served as Secretary of the Youth League Committee and Director of the General Office 1997.08 — 2000.06 Director of the General Office of the Administrative Committee of Qingdao Free Trade Zone (during which: 1997.09 — 2000.06, he studied in the postgraduate class of the Department of Enterprise Management of Qingdao Ocean University. Master of Management)
2000.06 — 2000.11 Director of
Comprehensive Administration Bureau of Qingdao Free Trade Zone Management Committee 2000.11 — 2001.02 Director of Comprehensive Administration Bureau of Qingdao Free Trade Zone Management Committee Assistant
Director of Administrative Committee of Bonded Area 2001.02 — 2003.01 Deputy Director of
Administrative Committee of Qingdao Bonded Area 2003.01 — 2006.12 Deputy Director of Administrative Committee of Qingdao Bonded Area Member of the Party Working Committee (From September 2001 to July 2004, he studied in the Department of Life Science and Technology, Ocean University of China, majoring in fishery resources, and obtained a doctor's degree in agronomy; From June 2003 to December 2003, he participated in the training course for young cadres at or above the county level in Shandong Province to study in the United States; 2004.04 — 2005.04 Deputy Secretary of the Party Committee of Dacun Town, Jiaonan City)
2006.12 — 2011.11 Member of the Standing Committee and Vice Mayor
of Jimo Municipal Committee 2011.11 — 2011.12 Deputy Secretary of Jimo Municipal Committee Vice Mayor
2011.12-2012.02 Deputy Secretary, Vice Mayor and Acting Mayor
of Jimo Municipal Committee 2012.02-2015.08 Deputy Secretary of Jimo Municipal Committee, Mayor 2015.08 — 2015.09 Deputy Secretary
of North District Committee of Qingdao City 2015.09 — 2016.01 Deputy Secretary, Deputy District Director and Acting District Director
of North District Committee of Qingdao City 2016.01 — 2017.01 Deputy Secretary of North District Committee of Qingdao City, District Chief
2017.01 — 2018.11 Secretary of
Shibei District Committee of Qingdao City 2018.11 — 2019.07 Deputy Secretary of Linyi Municipal Committee 2019.07 — 2019.08 Standing Committee
of Jinan Municipal Committee 2019.08-2021.04 Standing Committee and Vice Mayor of Jinan Municipal Committee, Deputy Secretary of
the Party Group of the Municipal Government 2021.04-2021.05 Deputy Secretary of Yantai Municipal Committee. Vice Mayor, Acting Mayor and Party Secretary
of the Municipal Government 2021.05 Deputy Secretary of Yantai Municipal Committee, Mayor of the Municipal Government (resigned in 2025.07), Party Secretary
2025.07-Deputy Director of Shandong Development and Reform Commission (Department level), Director of
the Provincial Energy Bureau