Outgoing Telkom South Africa chairman Jeff Molobela has been replaced by Lazarus Zim, who was previously MD of MTN International. Molobela officially retired as chairman of the fixed-line operator's board last week, but has been re-appointed as a non-executive director for another three years. Zim, who took over as chairman last week, will serve as chairman for a year and a non-executive director for three years.

In South Africa, the Cabinet approved Brian Molefe as the new group Chief Executive for Transnet. Molefe's appointment, which is for a period of five years, starts with immediate effect.

O3b Networks announced today that it has appointed Steve Collar as Chief Executive Officer. Mr. Collar succeeds Mark Rigolle after the completion of O3b’s latest financing round in November 2010. After a handover period, Collar will formally take up his new position on 7th March 2011.