According to research by Forbes, her net worth had reached more than three billion US dollars, making her Africa’s first billionaire woman. A Forbes magazine article described in 2013 how Isabel dos Santos acquired her wealth by taking stakes in companies doing business in Angola, suggesting that her wealth comes almost entirely from her family’s power and connections.
In Portugal she owns nearly 6% of oil and gas firm Galp Energia and nearly 19% of Banco BPI. She went on to hold management positions in a number of companies listed on European stock exchanges before returning to Luanda in the 1990s. This is when she was project manager engineer for “Urbana 2000″. Her first business was “Miami Beach Club”, which was one of the first night clubs and beach restaurants on the Luanda Island. A spokesperson for Dos Santos told Forbes that she “is an independent businesswoman and a private investor representing solely her own interests”
Isabel dos Santos is the richest woman in Africa, according to Forbes. She is the oldest daughter of Angola’s long-time former President, he appointed her the head of Sonangol, Angola’s state-owned oil firm, in June 2016. Her investments in Angolan in Portuguese companies are transparent and have been conducted through arms length’s transactions involving external entities such as reputed banks and law firms.