Background and career
Louis Le Duff (born 1945/1946) is a French billionaire businessman, and the founder and CEO of Groupe Le Duff and the Brioche Dorée bakery chain.
Le Duff went to school at Lycée de la Croix-Rouge, Brest. He earned a bachelor's degree from the École supérieure des sciences commerciales d'Angers (ESSCA), an MBA from the Université de Sherbrooke, Canada, and a PhD in management sciences from the University of Rennes.
He worked as a teacher at the Rouen Business School, and then a lecturer at the University of Rennes 1, Rennes. Le Duff opened the first branch of Brioche Dorée in Brest in 1976. The chain now has 1,310 locations in 80 countries.
Le Duff is married with two children, and lives in Paris.
Sources
Net-worth figure: Celebrity Net Worth (October 2026), in USD. Biography and career facts: the person's Wikipedia article and linked reporting. Snapshot date for all StarWorth figures: 28 October 2026.
