Guilherme lives in Blumenau, in southern Brazil. In 2010, he won a national contest for new children's book illustrators and has been working with editorial illustrations ever since. After illustrating many books for other authors, Guilherme started writing his own books in 2017. Guilherme's work has been published worldwide and has received various accolades, including the Jabuti Award and the Golden Pinwheel Grand Award. Guilherme continues to seek ways to entertain and delight children through his art and stories.