Mpumza earned a Bachelor of Arts (BA) from the University of South Africa.
From 1990 to 1995, he was the chairperson of an ANC branch in an Eastern Cape sub-region.
Mpumza served on the ANC's provincial executive committee (PEC) from 2000 to 2015.
[4] In 2014, he stood unsuccessfully for election to the Eastern Cape Provincial Legislature as a candidate on the ANC's list.
[5] He was a member of the Portfolio Committee on Cooperative Governance and Traditional Affairs.