4. Hajia Bola Shagaya
Hajia Bola Shagaya has been managing director of Practoil Limited, which is one of the largest importers and distributors of oil in Nigeria. According to her official site, she has also been on the board of Unity Bank Pic for over eight years. She is the founder and CEO of Bolmus Group and International which is a diversified Nigerian conglomerate company, she also has interests in the oil sector, real estate, communications and photography. As of 2015, she has a net worth of $600 million.
