Editor's PicksList 9 Richest African Presidents With An Accumulated Net Worth Over $25B Posted byBy Thomas L. Scott | Published on: December 23, 2014 CommentsComments (4) Share: Jose Eduardo dos Santos Country: Angola Years in Power: 34 His net worth is greater than $20 billion, according to Cabinda Online. His daughter, Isabel dos Santos, is the wealthiest woman in Africa, with a net worth of $3.8 billion. Previous Page Next Page