Kalaa Mpinga began working for Anglo American in South Africa in 1991; he joined the New Mining Division in 1995 where he was in charge of the exploration and acquisition of resources in Africa. He was appointed to the Board of Directors in 1997. Kalaa Mpinga left the Group in December 2001 and in 2003 founded Mwana Africa Holdings (Pty) Limited – a company which led to the creation of Mwana Africa PLC.
Mwana Africa, a of a true « African child » mining company founded and managed by Africans, operates in Angola, Botswana, the Democratic Republic of Congo, Ghana, South Africa and Zimbabwe. The company is listed on the London Stock Exchange's Alternative Investment Market and is specialized in the exploration and extraction of gold, nickel, copper, cobalt and diamonds.