Araceli Fernández Recio has a degree in History of Art from the Complutense University of Madrid and did a Masters in Heritage Management at the Instituto Universitario de la Fundació
Araceli is a clinical psychologist, sexologist and hypnotherapist, and combines work at her practice with collaborations with various forms of media, as well as volunteer work abroad for various NGOs.
Arcadi Navarro is a researcher at the Institució Catalana de Recerca i Estudis Avançats (ICREA) and a lecturer in the Universitat Pompeu Fabra, in addition to being vice-director of the Instituto de Biología Educativa de Barcelona (CSIC-UPF) and director of the Nodo de Genómica de Poblaciones of the Instituto Nacional de Bioinformática.
Armand Puig i Tarrech (La Selva del Camp, 1953) is a priest, a Doctor of Biblical Sciences and a Dean in the Catalonia Theological Faculty. President elect of the Studiorum Nuovi Testamenti Societas, and a member of the Catalonia Biblical Association, he has written numerous articles and books on Bible themes, and in particular on Jesus. These include Un perfil biogràfic (2004) (translated into seven languages), Els evangelis apòcrifs (I) (2008), Jesus: An Uncommon Journey, and Studies on the Historical Jesus (2010).
Arnal Ballester (Barcelona 1955), an illustrator, studied art at L’Escola Massana and the Escola D’Arts Applicades I Ofici Artístics in Barcelona. He is currently professor of illustration at L’Escola Massana. His professional career began drawing newspaper comic strips in the early 1970s, and includes work in newspapers, magazines, posters and books.