South Africa-based MTN Group has appointed Stephen van Coller (pictured) as vice president of strategy and mergers and acquisitions, effective 1 October. Van Coller will be the group’s fourth vice president, the other three having responsibility for the geographic operating regions of MTN. Meanwhile, Brett Goschen will step down from his position as CFO. South Africa-based MTN Group (JSE:MTN) has appointed Stephen van Coller (pictured) […]