Christophe Simon was born in Namur, and created an early interest in travelling and history. He attended comics courses by Vittorio Leonardo at the Academy of Fine Arts in Châtelet, and eventually went to work for Jacques Martin. As one of Martin's collaborators, he took on the artwork of the series 'Orion'. In 2001, he succeeded Gilles Chaillet as the artist of the series 'Lefranc'. In addition, he assisted Rafael Morales on the artwork of 'Alix' and also drew a couple of albums by himself.