Guillaume is an illustrator, author, and comic book artist. He works mainly in the field of children’s literature with his hit series Le facteur de l’espace, as well as numerous illustrated books. He also collaborates with various clients in the cultural, advertising, and editorial sectors. His books and albums have been translated into many countries and have earned him several awards at home and abroad, including the Governor General’s Award in 2020.
His work is often described as calculated and thoughtful, yet lively and teeming with characters full of personality. A devotee of the clear line style, he is also recognized for his mastery of color and his sometimes unconventional palette choices.
Originally from Saint-Cléophas, he now lives in Montreal.