Born in Nantes in 1973, Gwen de Bonneval lives in Paris. After a baccalauréat in literature, he created a communication business (unsuccessfully), made models and worked for Disney. His meeting and collaboration with Fabien Velhmann saw the creation of the Samedi et Dimanche series (4 volumes published by Dargaud). He wrote and illustrated the Basile Bonjour youth series (3 volumes published by Delcourt) before writing Messire Guillaume with illustrator Mathieu Bonhomme (3 volumes published by Dupuis). The complete series, published under the title L’Esprit perdu, have been selected by the jury of the Angoulème International Comics Festival in 2011.
In 2004 he wrote Gilgamesh with Frantz Duchazeau (2 volumes published by Dargaud), created Capsule Cosmique magazine and became editorial director of Éditions Sarbacane. In 2009, he adapted Jorn Riel’s La vierge froide et autres racontars with Hervé Tanquerelle. The book was selected for Les Essentiels d’Angoulème Prize in 2010.
2010 also saw him returning to drawing with Les Derniers jours d’un immortel, written by Fabien Vehlmann. It was awarded the Prize for best science-fiction comic-book at the 2010 Utopiales Festival as well as the Sheriff d’or Prize in 2010. It was also part of the official selection of the 2011 Angoulême Festival. And in 2011 he wrote Le Roi Oscar et autres racontars, illustrated by Hervé Tanquerelle and published by Sarbacane.