* Microsoft has appointed Mteto Nyati to head up its South African subsidiary as the company steps up its plans to grow its business across all sectors of the local economy. Nyati, who will take over the Microsoft SA reins on 1 September, comes to Microsoft from a 12-year career at IBM, where he was the director of IBM Global Technology Services for South and Central Africa since June 2005.

* Former Orange Botswana, Chief Executive Officer (CEO) Thapelo Lippe, is said to be the favourite to head the Botswana Telecommunications Corporation (BTC).

* Egypt's Naguib Sawiris is to stand down as the Chairman of local mobile operator, Mobinil from the end of this month. The company's current CEO, Alex Shalaby will take over as Chairman and his role will be taken up by Hassan Kabbani - currently CEO of Algerian operator, Djezzy.