Juan Berrio went to architecture school, but soon discovered that his true passion was drawing. And so he has spent the last thirty years working in illustration, comics and other facets of graphic arts. He lives in a multi-family building in the center of Madrid. He has published a lot of books. In 2011 he was a finalist for the National Comics Award, and in 2012 he won the Fifth Fnac-Sins Entido International Graphic Novel Award.

Sonia Rayos is an architect, engineer, and dancer. She lives in a multi-family building in Valencia. She loves to fold paper with her hands. She dreams of going back to India, where she spent time as an aid worker a few years ago. And Silvana Andrés lives in a bioclimatic building in the Horta of Valencia. She works both as a teacher and an artist. She enjoys creating activities intended for children.