After a first job as a fashion designer with Jacques Esterel, Jean-Gabriel Peyre opened his first boutique at 17 du Bac in Paris, now working in a room between Paris and Aix en Provence.

Jean-Gabriel Peyre is an expert in antique ceramics of the 16th, 17th and 18th century. (Europe, Spain, Italy, Netherlands, Turkey).

Former President of the Compagnie Nationale des Experts (CNE), President of la Commission Culturelle of the SNA, he is also an expert in public sales.