(Telecompaper) Telkom South Africa has announced the resignation of Tsholofelo Molefe as group Chief Financial Officer to join rival MTN and has named Dirk Reyneke, CFO of Openserve for the past eighteen months, as acting Group CFO from 07 December. Reyneke is a qualified Chartered Accountant and joined Telkom on 01 March 2012 from Absa Retail and Business banking. Over the past eight years, Reyneke has gained valuable experience and knowledge across the Group, it said.