Marcos González Morales has completed doctoral studies in Internal Communication and Social Responsibility at the Ramon Llull University, postgraduate studies in Corporate Social Responsibility at the Castilla la Mancha University and the Corporate Responsibility Program at IE Business School.

Marcos Pereda was born in Torrelavega in 1981. First he was a little boy, then he grew up, and now he has become a little boy again. He has worked as a ghost writer, but prefers not to talk about that because he was young and innocent.

Margarita del Mazo likes to tell stories, both verbally and in writing. And there are twenty-three stories that she has not been able to stop telling, and that have been translated into up to twelve languages.

The author is a clinical psychologist specialising in communication, self-esteem, childhood and childhood sexual abuse.

Writer, teacher, trained psychologist and sex education specialist, with a diploma in therapeutic pedagogy. A speaker on the course 'Alternative Methodologies for Teaching', she has also published articles in education magazines. A teacher by vocation, she is passionate about her work.

María Agúndez, (Zaragoza, 1990) studied Advertising and Screenwriting in Madrid. At the age of twenty-one, she wrote and directed a documentary about male sexuality, Los hombres también son vírgenes (Men Are Virgins Too), which won the best short documentary prize in the Premio Ciutat de Palma.

Maria Barbal (Tremp, 1949) errupted onto the literary scene with "Pedra de Tartera" (Stone in a Landslide) which won the Joaquim Ruyra Prize in 1984 and the Joan Crexells Prize in 1985 becoming a landmark in contemporary Catalan fiction.

María Bastarós (Zaragoza, 1987). Cultural consultant, art historian, public speaker, writer and fanziner.