Christophe Batard received his architect’s diploma in 2000. An architect of Bâtiments de France from 2002 to 2004, he was deputy head of the departmental section of architecture and heritage of the Oise. Through a competitive exam, he became chief architect of Historic Monuments in 2004 and was appointed to the departments of the Manche and the Côtes d’Armor, a position he held until 2015. In these two departments, he conducted studies and worksites for the cathedrals of Saint-Brieuc and Coutances and the La Houge fort. From 2010 to 2015 he was responsible for the 4th arrondissement of Paris and directed the restoration work of the Arsenal library and the Martyrs of Deportation Memorial. He also directed the master plan for the restructuring of the Paris Administrative Court. In 2016 he took in charge the department of Maine-et-Loire, with the Angers cathedral and château and the Fontevraud abbey, the Vincennes château and the National Domain of Rambouillet. He concurrently directed the worksites of the Cherbourg theater and the Beauport abbey. Christophe Batard was also in charge of the restoration of the former Richaud hospital in Versailles and the renovation of the Villequier château, in Normandy.
Frédéric Didier is an architect and received his diploma from the Centre des hautes études de Chaillot in 1985. Continuing his studies at the École du Louvre, for three years he devoted himself to the theme “Architecture and décor of large residences.” In 1987, he became chief architect, through a competitive exam, of Historic Monuments. He was put in charge of the Côte-d’Or department, then that of the Deux-Sèvres.
Today, he remains in charge of the Saône-et-Loire department (Cluny abbey) the city and château of Versailles. He is responsible at the château for the restoration of the façades and roofs, the décors of the Hall of Mirrors, the Mercure and Abondance salons and the reinstallation of the royal railing and gate.
Frédéric Didier has also been responsible for many public procurement projects. He has worked on the Sainte-Marie-Madeleine de Vézelay basilica, on the wall paintings of the Anzy-le-Duc Romanesque church and the restoration of the Asnières château and the Indies Pavilion in Courbevoie. Likewise, he has been in charge of operations for private clients, with the renovation of the Montcel estate, in Jouy-en-Josas, the Saint-Paul and Saint-Joseph prisons, in Lyon, and the restoration of the Montmoyen château in the Côte-d’Or.
Jacques Moulin has been an architect since 1981. Having studied at the Sorbonne and the École du Louvre, he received his diploma from the Centre des hautes études de Chaillot in 1983. The following year, he became chief architect, through a competitive exam, of Historic Monuments. He was responsible for the Seine-et-Marne department, then that of the Loiret.
Today, he remains head architect of the Seine-et-Marne and Seine-Saint-Denis departments and the National Estate of Versailles where he recently restored the Queen's Hamlet. In Paris, he is in charge of the École Militaire, the Manufacture Nationale des Gobelins and the Mobilier National.
In 1998, Jacques Moulin designed the experimental worksite of the Guédelon fortress, which won the European Prize for Tourism and the prix européen d'architecture Philippe Rotthier in 2005. Thanks to ongoing work with elected officials, his restorations in Provins, Blandy-les-Tours, Château-Landon and Chamerolles have permitted little-known sites to achieve real economic and cultural development. With the same goal, he is currently devoting himself to the Hautefort château, the Saint-Denis basilica, the Maison du peuple in Clichy, Sceaux Pack and many private worksites.
Jacques Moulin is a director of the Société française d’archéologie and the Fondation Saint-Louis, and author of many publications.