Career
Born in Pont-Audemer, Cestac initially worked as an illustrator. She created the humorous detective stories of Harry Mickson for the comics magazines L"Écho des savanes, Charlie Mensuel, Pilote and Ah ! Nana. After Futuropolis was bought by Gallimard in 1994, she created the series les Déblok for Le Journal de Mickey, working with Nathalie Roques.
Her series Cestac pour les grands, aimed at an adult audience, brought her popular success and recognition.
One album, Le Démon de midi (1996), was adapted for the stage and as the 2005 film The Demon Stirs.