Guilherme lives in Blumenau, southern Brazil. In 2010, he won a national contest for new children’s books illustrators, and has been working with editorial illustrations since. His first book, as author and illustrator, « Ride », won the honorable mention at the the 2017 Serpa International Picturebook Prize (organized by Planeta Tangerina, Portugal) and has been published in spring 2019 in France by Le Seuil. His second one « Aaahhh! » has been published by Harper Collins in Brazil and will be, in English language, by Thames & Hudson in autumn 2019. His other titles are published in Brazil, Latin America & Europe. He also develops projects for the fashion and graphic design industries.