Complex sentence: In March 2000, Masiyiwa left Zimbabwe, never to return to the country, and moved first to South Africa, where he founded The Econet Wireless Group, a new and completely separate organisation to the listed Zimbabwean entity.
Split into simpler sentences: In March 2000, Masiyiwa left Zimbabwe never to return to the country, and moved first to South Africa. There he founded The Econet Wireless Group, a new and completely separate organisation to the listed Zimbabwean entity.