Mar Núñez Díaz-Corralejo holds degrees in Humanities and in Conservation and Restoration of Cultural Heritage, specializing in Graphic Documents. She has received grants to study at the Reina Sofía National Museum, the Naval Museum of Madrid, and the Faculty of Fine Arts in Warsaw. In her bookbinding and graphic document restoration studio, she has worked for, among other institutions, the Comillas Pontifical University, the Autonomous University of Madrid, the Higher Technical School of Civil Engineers, the Hispano-Arabic Library of Madrid, and the Archives of the Presidency of the Government.