Fascinated by comic books, he became a self-taught graphic designer and typographer. Since 1983 he has self-published Qui ? Resiste as a vehicle for his experiments with writing and images. A leading graphic designer in France, he has designed a number of experimental typefaces, including Minimum, Gararond and Quantange. He taught at the École Supérieure des Arts Décoratifs in Strasbourg (ÉSAD) from 1997 to 2010, and teaches today at the Haute École d’Art et de Design (HEAD) in Geneva.