Maria Helena Feliu graduated in philosophy from the Universidad de Barcelona and has a diploma in clinical psychology from the Faculty of Medicine of the same university.

The author has worked as a columnist on several publications including El País, the printed Comunidad Valenciana, Las Provincias, and the newspaper Diario Levante-EMV, and writes literary critique in Posdata.

María Gainza wurde in Buenos Aires geboren. Sie arbeitete in der Berichterstattung von The New York Times in Buenos Aires und war Korrespondentin für ArtNews. Mehr als zehn Jahre war sie feste Mitarbeiterin bei der Zeitschrift Artforum und der Beilage Radar der Tageszeitung Página/12.

María Esther Ferreiro Fernández (Lugo, 1966) studied Business Informatics at the University of Oviedo. She has ample teaching experience in accredited, occupational and continuous training related to office software, network administration, internet and operating systems.