3. Margarita Louis-Dreyfus
Margarita is a Swiss businesswoman and the chairman of Louis Dreyfus. She is estimated to be worth over eight billion dollars. Louis Dreyfus is also the owner of the French Ligue 1 football team, Olympique de Marseille.
She was married to the late Robert Louis-Dreyfus, they got married in 1992 and she took over as chairman of the Louis Dreyfus Group in 2009, following his death from leukemia. She’s currently involved with the former head of the Swiss central bank, Philipp Hildebrand.