Cristina Ortega has a PHD in Leisure and Human Potential, a Masters degree in Leisure Administration, specialising in Cultural Administration; she has an undergraduate Humanities degree from the Universidad de Deusto and Westminster University, is director of Cultural and Leisure Innovation Projects at the Instituto de Estudios de Ocia and International Relations Co-ordinator of the Faculty of Social and Human Sciences at the Universidad de Deusto.
Roser Capdevila (Barcelona, January 23, 1939) studied Fine Art at the Massana School, and her work includes printmaking, oil painting and watercolours. She began writing and illustrating children's books in 1980. In 1990 she began collaborating with Cromosoma on the cartoon series The Triplets. She has worked with publishers in France, Germany, Austria, Italy, Canada, Belgium, Scandinavian countries and Japan. Her bibliography contains over 300 titles, and she has won many prizes.