British mezzo-soprano Claire Barnett-Jones studied at the Royal Birmingham Conservatoire, Royal Academy Opera and Guildhall School of Music & Drama. She is a former member of the English National Opera Harewood Artist Programme (2019–22), where she was a recipient of the Sir John Tomlinson Fellowship, and was an Independent Opera Fellow and Samling Artist. She was also a Finalist and Winner of the Dame Joan Sutherland Audience Prize at the BBC Cardiff Singer of the World 2021. Recent highlights include Waltraute (Götterdämmerung) at the Bayreuth Festival, her French debut as Ježibaba (Rusalka) at Théâtre du Capitole, Toulouse, a return to Dutch National Opera as Mrs Sedley (Peter Grimes) and her Bayerische Staatsoper debut as Die Frau Försterin/Eule (The Cunning Little Vixen). Engagements for 2025/26 include Waltraute (Die Walküre) for the Accademia Nazionale di Santa Cecilia, Witch/Gertrude (Hansel and Gretel) for Calgary Opera and Annina (La Traviata) for the Bregenz Festival.