CAPE TOWN, South Africa--(BUSINESS WIRE)--Naspers Limited (JSE: NPN, LSE: NPSN): Naspers’s non-executive chair, Ton Vosloo, as well as independent non-executive directors Boetie van Zyl and Yuanhe Ma, retired from the board on Friday 17 April. After a year’s sabbatical Koos Bekker rejoins the board as non-executive chair. In a message to staff Vosloo wrote: “I bid you farewell. It has been my great privilege to be associated with Naspers since May 1956, when I joined Die Oosterlig (now Die Burg