Studied animation at the Ecole des Métiers du Cinéma d'Animation in Angoulême, France. Since 2004 Merigeau has worked as an animator and background designer at Cartoon Saloon in Kilkenny, Ireland, participating in many feature and short film projects, including Oscar-nominated _The Secret of Kells (2009)_qv and his own directorial debut, _Old Fangs (2009)_qv.