(Telecompaper) MTN Group announced that MTN Zambia CEO Philip van Dalsen will be leaving MTN at the end of September. Van Dalsen joined MTN in 2012 as CEO of MTN Cyprus. In January, he moved to MTN Zambia in the same capacity. MTN Rwanda CEO Bart Hofker will take over the reins from van Dalsen, effective October. Hofker is a senior commercial telecom executive with extensive experience in mobile, fixed and integrated businesses, the company said.