9. Oji Uzor Kalu
Net Worth: $1 Billion
Industry: Oil & Gas
Orji Uzor Kalu is the chairman of SLOK Holding, the Daily Sun and New Telegraph newspapers in Nigeria, he served as the governor of Abia State, Nigeria from May 29, 1999, to May 29, 2007.
Slok is a $2.5 billion (annual revenues) West African conglomerate with interests in shipping, banking, oil trading, manufacturing and the media.
Kalu is the chairman of First International Bank Limited. The bank operates branches throughout Gambia.
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