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 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, Lady de Hautdesert, Jocasta, Hedwige, Lucretia, Dido, Hänsel, Mrs Noye, Third Lady, Mrs Herring, Mrs Sedley, Giovanna Seymour and Agrippina.
Jennifer's engagements in the 2014-5 Season include her debut at Teatro alla Scala, where she will create the role of Gaia in the world premiere of Battistelli's CO2 directed by Robert Carsen, Wellgunde (Das Rheingold/Götterdämmerung) and Second Norn in Wagner's Ring Cycle under Kirill Petrenko and Hedwige in Rossini's Guillaume Tell under Dan Ettinger at the Bayerische Staatsoper, Margret in Berg's Wozzeck with the BBC Scottish Symphony Orchestra under Donald Runnicles, Beethoven's Missa Solemnis with the ORR under Sir John Eliot Gardiner at the BBC Proms, Beethoven's 9th Symphony with the Royal Philharmonic Orchestra, Elgar's Sea Pictures and Mahler's Symphony No. 2 with the BBC National Orchestra of Wales, and Mendellsohn's Elijah with the Bach Choir at the Royal Festival Hall.