Career
Born Marie-Jeanne Louis-Dreyfus, she was one of three children born to Jean and Jeanne Madeline (née Depierre) Louis-Dreyfus. Her father was Jewish and her mother Roman Catholic. Her grandfather was Louis Louis-Dreyfus who served in the French Parliament during the French Third Republic.
As of 2013, Marie-Jeanne owned 12.5% of the Louis Dreyfus Group making her a billionaire.
In 2009, she founded the venture capital company Florac SAS.