he is actually an alternate. which means he doesn't attend unless the other guy is not there.
and in fact i think molefe has stated that he will be looking to move away from being a director on the boards of companies the pic is invested in to being an alternate.
and in truth it matters not who the pic representative is as long as the rep votes the way the pic instructed. of course if the rep votes otherwise it is likely that it will be a career limiting move.
Rhoda is on the board. And if he is unable to make it, Molefe steps in. You will probably find that Molefe was previously the PIC representative on the board.