Cabinet approves appointments of CEOs at Prasa and SA Post Office The struggling Passenger Rail Agency of South Africa will have a new CEO. File photo. Image: Paul Ash The cabinet has approved the appointment of Zolani Matthews as the new group CEO of the troubled Passenger Rail Agency of South Africa (Prasa). This was confirmed by acting minister in the presidency Khumbudzo Ntshavheni, who was addressing a post-cabinet media briefing on Friday. Prasa has been battling with stability in its management for the past four years, having had seven acting CEOs. Matthews will replace Thandeka Mabija, who was appointed as acting CEO late last year by the new Prasa board.