Giny Valrís is a young writer from Madrid who is currently studying for a degree in teaching and Spanish language and literature. She won the VII Short Story and Story-telling Prize awarded by the Hijos de Mary Shelley Foundation in 2006.

Gisela Baños is a theoretical physicist at the University of Leipzig and an expert in science fiction. She has been shortlisted for several short story prizes and has contributed to the collections My Little Heroes, Extraordinary Women and Mythology for Children.

Glória Gómez de la Tia has a university diploma in library and information studies. She has more than 16 years professional experience in the world of books working as a librarian.

Gonzalo Moure is a journalist and author. He has been awarded several of the major prizes in the field of Children's and Young Adult literature. His writing stands out for its social commitment: the Saharui people, the Bubisher "book-busses", children's rights, equality, and the environment.