[3] In 1987, Jean-Charles Naouri left government service and joined Rothschild & Cie Banque as Managing Partner.

In 2012, Groupe Casino acquired a controlling interest in Brazilian retailer Pão de Açúcar, the country's largest private-sector employer.

[10] He is also vice chairman of the Groupe Casino corporate foundation, which he founded in 2009 to improve access to culture and knowledge for children who are disadvantaged or suffering from illness.

In addition, he is Honorary Chairman and Trustee of Ecole Normale Supérieure's Institut d’Expertise et de Prospective,[11] which is responsible for developing ties between the school and the corporate world.

In June 2013, Jean-Charles Naouri was appointed by France's Ministry of Foreign Affairs to be a special representative for Economic relations with Brazil.