Welsh soprano Rosemary Joshua made her Royal Opera debut in 1994 as Poussette (Manon) and has since sung Countess Olga Sukarev (Fedora), Woglinde and Woodbird (Der Ring des Nibelungen), Lisette (La rondine in concert), Zerlina (Don Giovanni), Angelica (Orlando), Anne Trulove (The Rake’s Progress) and Despina (Così fan tutte). In the 2014/15 Season she sings Oscar (Un ballo in maschera).
Joshua was born in Cardiff and sang with local youth choirs as a child. She studied at the Royal College of Music and began her career with English National Opera. Joshua is particularly known for her interpretations of Handel heroines, her roles including Cleopatra (Giulio Cesare in Egitto), Ginevra (Ariodante), Nitocris (Belshazzar), Poppea (Agrippina) and Semele for companies including ENO, Bavarian State Opera, Berlin State Opera, Théâtre des Champs-Elysées, Théâtre du Capitole de Toulouse and the Aix-en-Provence and Innsbruck festivals, among others. Other engagements include the title role in The Cunning Little Vixen for La Scala, Milan, Opéra national du Rhin and Dutch National Opera, Tytania (A Midsummer Night’s Dream) for La Scala, Anne Trulove at La Monnaie, Brussels, and Glyndebourne, Oscar and Helen in the world premiere of Trojahn's Orest for Dutch National Opera, Countess Almaviva (Le nozze di Figaro) with Freiburg Baroque Orchestra and Susanna (Le nozze di Figaro) for Welsh National Opera and Bavarian State Opera.
Joshua has performed in concert with period instrument orchestras and ensembles such as Les Arts Florissants, the Orchestra of the Age of Enlightenment, Gabrieli Consort and The English Concert, and with symphony orchestras worldwide.