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The company began when Michel Cluizel's parents Marc and Marcelle Cluizel expanded their pastry business into making chocolate from their own family kitchen. Later in 1948, Michel became an apprentice in his parents' business.
The company has 200 employees, including the four children of the owner and name sake of the company. Michel Cluizel owns a store on Rue Saint-Honoré in Paris. In August 2004, the company opened a subsidiary in the United States.