María Jesús Albarrán Martínez obtained her PhD in Ancient History at the Universidad de Alcalá on the topic of female asceticism in the documentary papyri. She was trained in archaeology and in epigraphy at Centre CIL II, UAH; and as a papyrologist and as a coptologist in various courses in Spain at Madrid and Barcelona, and abroad at the Institut Français d’Archaéologie Orientale in Cairo, and at the Universities of Leipzig and Strasbourg. Her main interests lay in the area of documentary papyrology, Christianity and monasticism in Egypt in Late Antiquity, on which she has published several works.

Amalia Zomeño Rodríguez is tenured researcher at CCHS, CSIC in Madrid since 2007. Since 2001 she has been working on the cataloguing, edition and study of the Arabic notarial documents kept at the Granada Archives, especially those at the Library of the University of Granada Royal Hospital, and is currently preparing a volume with the edition of an important number of unpublished documents. Since 2003 she has been cataloguing the Arabic manuscripts of the Oriental collections of the Abadia de Montserrat, and in 2006 she started the cataloguing and the study of the Arabic papyri belonging to the Palau-Ribes collection, housed at the Arxiu Históric de la Companyia de Jesús a Catalunya. She has participated in the International Summer School in Arabic Papyrology (National Library of Austria, 2007) and is a member of the International Society for Arabic Papyrology. 

François Gaudard is an Egyptologist and the Associate Editor of the Chicago Demotic Dictionary at the Oriental Institute of the University of Chicago, specializing in the various stages of the ancient Egyptian language, in particular Demotic and Coptic. He has also worked as an epigrapher for the Epigraphic Survey, based at Chicago House, the field headquarters of the Oriental Institute in Luxor. Gaudard is one of the editors and translators of the Codex Tchacos, which includes the Gospel of Judas. He has taught Egyptology at the undergraduate and graduate levels and is currently preparing an edition of an ancient Egyptian drama and of other related texts for publication. He received his M.A. and his Ph.D. in Near Eastern Languages and Civilizations (Egyptology, Coptology) from the University of Chicago, graduating with honors. In addition, he holds a Licence ès Lettres (Egyptology, Ancient Greek, Coptology) from the University of Geneva (Département des Sciences de l'Antiquité), where he also studied papyrology and Sanskrit.

Alberto Nodar Domínguez is lecturer in Classics at the Universitat Pompeu Fabra, where he is also the director of a papyrology unit associated with the Consejo Superior de Investigaciones Científicas (CSIC). Since 2005 he is the curator of the Palau-Ribes papyrological collection, now housed at the Arxiu Històric de la Companyia de Jesús a Catalunya. He obtained his DPhil in Greek Papyrology from the University of Oxford, where he subsequently worked on the project The Oxyrhynchus Papyri. He conducted research at the Institut für Papyrologie, Ruprecht-Karls-Universität Heidelberg, as an Alexander von Humboldt scholar, and at the Katholieke Universiteit Leuven, within the Catalogue of Paraliterary Papyri Project.

Klaas A. Worp is emeritus professor of papyrology at the Papyrologisch Instituut of the University of Leiden. Among his numerous publications in the field of papyrology The Chronological Systems of Byzantine Egypt, Leiden, 2004, together with Prof. R. S. Bagnall, or Greek Ostraka from Kellis (O.Kellis) (= Dakhleh Oasis Project Monograph 13), Oxford, 2004, should be mentioned. He has been involved with the Roca-Puig papyrological collection project since its very beginning, and has co-authored To the Origins of Greek Stenography. P.Monts.Roca I, Barcelona, 2006, with Sofía Torallas. 

Raquel Martín Hernández has a PhD in Classics at the Universidad Complutense de Madrid, where she is currently working as a researcher. Her field of expertise is Ancient Magic, especially Greek Magical Papyri, and Greek Religion. She started her studies on papyrology at the Abbey of Montserrat, with Sofía Torallas Tovar, and continued her studies in papyrology in Leiden, Netherlands, and in Lecce, Italy. She is responsible for the Ubach Papyrological Collection housed at the Abbey of Montserrat, and she is currently preparing its cataloguing.