The dramatic mezzo-soprano was named by both BBC Music Magazine and the Observer as "a rising star", and the Financial Times as the "Face to Watch in Opera". A former BBC New Generation Artist, she is a graduate of Cambridge University and the Royal College of Music, and is the recipient of numerous awards. She has appeared in opera at the Teatro alla Scala, Salzburg Festival, Bayerische Staatsoper, Festival d'Aix en Provence, Opera de Lille, Beijing Festival, Baltic Sea Festival, Scottish Opera and Opera North. Her roles include Fricka, Waltraute, Second Norn, Wellgunde, Gaia, Lady de Hautdesert, Jocasta, Hedwige, Lucretia, Margret, Dido, Hänsel, Mrs Noye, Third Lady, Mrs Herring, Mrs Sedley, Giovanna Seymour and Agrippina.
Jennifer's engagements in the 2015-6 Season include Leda in Strauss's Die Liebe der Danae at the Salzburg Festival (Hermanis/Welser-Möst), Jocasta in Stravinsky's Oedipus Rex with the Berlin Philharmonic Orchestra under Sir John Eliot Gardiner, Mahler's Third Symphony and Dvorak's Stabat Mater with the Cleveland Orchestra under Welser-Möst, Mahler's Second Symphony with the London Philharmonic Orchestra under de la Parra, Schumann's Faustszenen with the Vienna Symphony Orchestra under Harding, Berio's Folksongs, Canteloube's Songs of the Auvergne, Shostakovitch's Jewish Songs, Mahler's Das Klagende Lied and Tippett's Child of our Time with the Royal Liverpool Philharmonic Orchestra under Petrenko, Mozart's Requiem with both the Malaysian Philharmonic Orchestra under Delfs and the BBC National Orchestra of Wales under Søndergård, Mahler's Second Symphony with the BBC Philharmonic Orchestra under Mena, Bach's Christmas Oratorio with the BBC Scottish Symphony Orchestra, Elgar's The Dream of Gerontius at King's College Cambridge under Cleobury, and she will record Anthony Payne's arrangement of Vaughan Williams' Four Last Songs with the BBC Symphony Orchestra under Brabbins for Albion Records.