JOHANNESBURG - Former deputy finance minister Mcebisi Jonas will testify in the State Capture probe.
The Zondo Commission of Inquiry published a list of key witnesses on Friday.
Other names include Senior Treasury official Willie Mathebula, former MP Vytjie Mentor and former GCIS CEO Themba Maseko.
Another key witness is acting GCIS chief executive, Phumla Williams.
The commission will sit for the very first time on Monday.
It will also look into allegations of corruption and fraud in the public sector, including SOE's.