1990.07-1991.06 cadre of Tianjin Nankai district judicial bureau;
1991.06-1996.10 Deputy Chief, Information Section, Nankai District Government Office, Tianjin;
1996.10-2001.03 Deputy Director, Nankai District Government Office, Tianjin;
200 1.03-2003. 12 Director and Party Secretary of Tianjin Nankai District Environmental Protection Bureau (during this period: 2001.10-2001.12 attended the meeting organized by the Organization Department of Tianjin Municipal Committee. From February 2003 to July 2003, I studied in the 24th training class of Tianjin Party School);
2003.12-2010.01Director of the Research Office of Nankai District Government, member of the Party Group of the District Government and Director of the District Economic Restructuring Office (concurrently) (during which he studied in Peking University from March 2005 to July 2007 and obtained a master's degree in public administration);
2010.01-2011.04 Deputy Director of Tianjin Nankai District Committee Office and Director of District Committee Research Office (concurrently);
2011.04-2011.09 Director of Tianjin Nankai District Committee Office, Director of Secrecy Committee Office (Secrecy Bureau), Director of Secrecy Bureau (State Cryptography Administration), Director of Research Office of District Committee, Deputy Secretary of Working Committee of District Committee (concurrently);
2011.09-201.12 Director of Tianjin Nankai District Committee Office, Director of Secrecy Committee Office (Secrecy Bureau), Director of Secrecy Bureau (State Cryptography Administration) and Deputy Secretary of the Working Committee of District Committee Organs (concurrently);
20 1 1. 12-20 1 1.65438+
20 1 1. 12 to 20 15, deputy head of the Nankai District People's Government of Tianjin.