Joëlle Charlier first studies at the Conservatoire Royal of Mons with Thierry Migliorini. She then completes her training at the Conservatorium Maastricht with Axel Everaert. From 2007 to 2009, she takes part in the International Lied Master Classes with Udo Reinemann in Brussels. Nowadays she perfections herself with Susanne Schimmack.
One of her first engagements at the opera was Jacqueline in Gounod's "Le Médecin malgré lui" with the Fondation Royaumont (France). She also sang in Ravel’s "L’enfant et les sortilèges" with the Orchestre Philarmonique Royal de Liège, Gertrude in Gounod’s "Romeo et Juliette". She makes her debut at the Opera Royal de Wallonie as Mary in R. Wagner’s "Fliegende Hollander", and at the Vlaamse Opera in Wagner’s Parsifal as Blumenmädchen.
The operette takes a big place in her repertoire: the title-roles in Offenbach's "La Grande Duchesse de Gerolstein" and "La Périchole", Palmatica in Millöcker's "Der Bettelstundent", Orlowsky in Strauss' "Die Fledermaus", and lately Fragoletto in Offenbach's "Les Brigands" in Theater Aachen, Béatrix in "Les Bavards" Offenbach, Jola in "Clivia" Nico Dostal,... In March 2017, she wins the first price of the "Concours International d'Opérette et d'Opéra Comique de l'UPMCF" in Paris.
Laureate of the 2012 International Singing Competition of Kammeroper Schloss Rheinsberg, she performs the role of Sophie Dorothea in Sigfried Matthus’s opera Kronprinz Friedrich.
As finalist of the Armel Opera Competition in 2013, she sang the role of Jocasta in Stravinsky’s Oedipus Rex in Hungary and Poland.
She also regularly performs as a soloist in the oratorio repertoire with different ensembles such as the Chapelle des Minimes (Bach cantatas), le Chœur de Chambre de Namur, the Klassische Philharmonie Bonn,...