From 1989 to 1992 he was the Director of the Picardy Sinfonietta in Amiens.
In 1989 he conducted the Paris Opera Ballet in Tchaikovsky's The Sleeping Beauty,[1] and also the gala re-opening concert at the Opéra Comique in Paris, with June Anderson and Rockwell Blake.[2] In 2018 Fournillier was appointed as principal guest conductor at the Finnish National Opera.
Chabrier : L'Etoile,Stéphanie d'Oustrac, Hélène Guilmette, Christophe Montagne, Jérome Varnier,, Choeur de l'Opéra national des Pays-Bas, Orchestre de la Résidence de La Haye, conducted by Patrick Fournillier, stage, Laurent Pelly. DVD or Blu-ray Naxos 2019. Diapason d'or de l'année 2019.