A Ph.D. in art history (Charles Errard, l'ambition du décor, 2004, publ. Paris, Arthéna, 2013) and a former resident of the Villa Médicis (1998-1999), Coquery initially specialized in seventeenth-century French art, with a resolutely interdisciplinary approach, at the crossroads of painting, objets d'art and architecture. A former student at the Ecole Nationale du Patrimoine (1993-1994), he held various heritage positions at the Musée des Beaux-Arts de Nantes (1995-1997), in the Objets d'art department of the Musée du Louvre (1997-2004), and as director of the Museums of Troyes (2004-2007), a position in which he reoriented his research on the late 19th century and the early 20th century. He was also deputy scientific director of the France-Muséums agency (2008-2011), in charge of the Louvre Abu Dhabi, then director of heritage at CHANEL (2011-2017), before being appointed scientific director of the RMN-Grand Palais (2017-2019).