Mathieu Dionne St-Arneault studied graphic design at UQAM, in Montreal. In 2009, he won the student poster competition at the “Graphisme dans la rue” festival in Fontenay-sous-Bois. That same year, he co-founded “Charmant & Courtois” with Alexis Coutu-Marion, Florian Pétigny and Gabrielle Lamontagne, all three of whom are now graphic designers. Their studio, active until 2018, mainly focused on music and art. Mathieu Dionne St-Arneault currently works as a freelance illustrator and graphic designer for independent entrepreneurs, musicians and artists. He lives in Montreal, Quebec.