Geraldine CASEY started singing at the age of 16 with Tania GEDDA at the Serge Rachmaninov Conservatory in Paris. After studying in England and Spain, she obtained her First price Concertist Diploma at the Ecole Normale de Musique de Paris in Anne-Marie RODDE and Jean-Philippe LAFONT's classes. With a scholarship from the Zaleski Foundation, she worked with Nadine DENIZE, Lorraine NUBAR (Juilliard School), Jeff COHEN, Ludovic TEZIER, Michel PIQUEMAL and won several international singing competitions (UPMCF Excellence, Gascogne International).
After her stage debut in Weber's Der Freischütz at the Théâtre des Champs-Elysées (Paris) under maestro Myung Wung CHUNG, she sung the Queen of the Night in Mozart's Die Zauberflöte with the Orchestre des Pays de la Loire and Gilda in Verdi's Rigoletto at the Théâtre du Châtelet under conductors Vincent BARTHE and Fayçal KARAOUI. She was Adele in Strauss' Die Fledermaus and Cunégonde in Bernstein's Candide at Massy's Opera House and received acclaimed critics in the title-roles of Rita by Donizetti and Dolorès by Jolivet at the Opéra de Rennes, with live broadcast on Radio-France, under promising conductor Lionel BRINGUIER.
In 2008, she created the role of Prothoé in René KOERING's Scènes de chasse at the Opéra de Montpellier (conductor Alain ALTINOGLU), soon to be released on CD by Universal. She was Berenice in Rossini's l'Occasione fa il ladro at the Aix-en-Provence Festival as well as le Feu/la Princesse/le Rossignol in Ravel's l'Enfant et les Sortilèges in Avignon's Festival. She has just recorded a "Mozart Arias" CD with the Südwestdeutsche Philharmonie Konstanz under conductor Vassilis CHRISTOPOULOS (Passavant), followed by a series of successful concerts and unanimous critics in Germany.
Recommended soloist by the famous Centre de Musique Baroque de Versailles, she sung l'Athénienne in the world premier recording of Sacchini's Oedipe à Colone (Dynamics). Together with Guillemette LAURENS and in co-production with the Opera of Bordeaux, she performed Monteverdi's madrigals with the Montauban Baroque Orchestra under conductor Michel LAPLENIE (Ensemble Sagittarius).
Also at ease in oratorio and operetta (title-roles in Lehar's Die Lustige Witwe and Herman's Hello! Dolly, Esperanza in Offenbach's Christophe Colomb at the Grand Théâtre de Reims), she regularly performs in highly-praised International festivals such as Crans-Montana (Switzerland) together with Shlomo MINTZ, Yuri BASHMET and Michel DALBERTO, White Nights of St Petersburg, Tarussa Sviatoslav Richter Festival (Russia) with Alexeï UTKIN of the Moscow Virtuosos, Santander, Musica als Castells de Catalunya (Spain), Munich, Warsaw, Beyrouth...
Her next engagements comprise the accrobatic role of Giunia in Lucio Silla by Mozart at the Opéra de Rennes (conductor Claude SCHNITZLER), Norina in Don Pasquale by Donizetti, the Missa Solemnis by Rossini as well as a series of concerts in Poland with the Lomza Ensemble under conductor Nicolas KRAUZE.