Carlos Sánchez Díez holds a postgraduate diploma of advanced studies (DEA) in Art History. He works at the Curatorial Department of the Museo Lázaro Galdiano (Madrid), where he has been chief curator since 2022. Notable among his publications are those focusing on Spanish 19th-century drawings, with studies on Valentín Carderera (2004), Genaro Pérez Villaamil (2006), Eugenio Lucas Velázquez (2012), and Rosario Weiss (2015, 2018, 2019); he has also staged exhibitions on the last three. He has authored articles and monographs on the collections of the Museo Lázaro Galdiano (Arte y gastronomía, 2012; Encuentro de culturas, 2013; Caricaturas. Ilustradores de los siglos XIX y XX, 2013; Marcos, 2019) and has lectured at courses and conferences related to Spanish 19th-century drawing and art.