Weng Jieming was born on 1963 in Shanghai Municipality. He graduated from Chinese Literature Department of Fujian University with a Bachelor Degree and entered the work force in 1983 and joined the CPC in 1986 and received a doctorate from Hebei University in 1999.
He served as Secretary of the Shapingba CPC District Committee of Chongqing Municipality from 2004-2007. From 2011 to 2013, he was Secretary General of CPC Municipal Committee of Chongqing Municipality. He is a member of the 18th CPC Central Committee Central Commission for Discipline Inspection and also a member of the Chongqing CPC Municipal Committee. In 2013 he became Vice-Mayor of Chongqing Municipality.