#2. Margarita Louis-Dreyfus – $8.4 billion
Born Margarita Bogdonova, she is a Russian-born Swiss businesswoman. She is the owner of the football team, Olympique de Marseille. In 1988, she met Robert Louis-Dreyfus. They married in 1992. Margarita studied law at Moscow State University and an economics degree from Leningard Institute of Soveit Trade. In 2009, she took over as chairman of the Louis-Dreyfus Group in 2009 after her husband’s death from leukemia.