Prior to his election to parliament, Tseki served as a Member of the Gauteng Provincial Legislature from 2014 to 2019.
Tseki was ranked 33rd on the ANC' list of candidates for the Gauteng Provincial Legislature in the 2014 election.
[1] He was elected to the provincial legislature as the ANC won 40 seats.
[2] Tseki served as chair of the Cooperative Governance and Traditional Affairs Portfolio Committee in the 5th Legislature (2014–2019).
[5] Upon election, he became a member of the Portfolio Committee on Human Settlements, Water and Sanitation.