Peter began his operatic career at Welsh National Opera where his roles have included Bacchus/ Ariadne auf Naxos, Captain / Wozzeck, Tito / La clemenza di Tito, Simpleton / Boris Godunov, Witch / Hänsel und Gretel, Tikhon / Kat’á Kabanová, Golitsyn / Khovanshchina, Herod / Salome, Laca / Jenufa and Mal in the world premiere of James MacMillan’s The Sacrifice. Also in the UK he has sung Bardolfo / Falstaff, Valzacchi / Der Rosenkavalier, Monostatos / Die Zauberflöte, Basilio / Le Nozze di Figaro at the Royal Opera House, Covent Garden, Mr Upfold / Albert Herring, Idomeneo and Arbace / Idomeneo, Brother Elusaf / A Betrothal in a Monastery, Dr Caius / Falstaff for Glyndebourne Festival Opera, Herod / Salome for Opera North and Schoolmaster / The Cunning Little Vixen for Scottish Opera;

International appearances include Arbace for the Berlin Philharmonic Orchestra conducted by Sir Simon Rattle in Berlin, Lucerne, and at the Salzburg Festival, Desportes / Die Soldaten in David Pountney’s production for the Ruhr Triennale, at the New National Theatre, Tokyo and at the Lincoln Centre in New York; Shapkin From the House of the Dead at the Wiener Festwochen, the Holland Festival, the Aix en Provence Festival and at the Staatsoper in Berlin; Tikhon for Grand Théâtre de Genève; Sellem in The Rake’s Progress for Opéra de Lausanne and at the Théâtre des Champs Elysées. He has also sung Luigi Nono’s Al gran sole carico d’amore for the Salzburg Festival, Shapkin From the House of the Dead in his debut at the Metropolitan Opera, New York, Alviano Die Gezeichneten in Palermo, and Weinberg’s The Portrait at the Bregenz Festival.

Peter’s recent roles include Gregor The Makropulos Case, Faust in Terry Gilliam’s production of The Damnation of Faust and Raskatov’s A Dog’s Heart for English National Opera, Pedrillo / Die Entführung for Opéra de Nice, Vitek Vec Makropulos (Salzburg Festival) and Larry King in Turnage’s Anna Nicole for Covent Garden.

In Concert Peter has performed Das Lied von der Erde with the Royal Concertgebouw Orchestra conducted by Daniel Harding with the Royal Flemish Philharmonic conducted by Daniele Callegari, in Brussels and Antwerp, and with the Nash Ensemble conducted by Martyn Brabbins at the Cheltenham Festival. Tippett’s A Child of our Time with the Royal Liverpool Philharmonic Orchestra conducted by Gerard Schwarz, Berlioz Romeo et Juliette with the Berlin Philharmonic Orchestra conducted by Sir Simon Rattle, Janacek’s The Diary of One who Disappeared and Elliot Carter’s In sleep in thunder with Contrechamps in Geneva and at the Queen Elizabeth Hall in London, Britten’s Serenade for Tenor, Horn and Strings with the Bournemouth Symphony Orchestra and the Bochumer Symphoniker, Romeo et Juliette with the Bochumer Symphoniker, Judas Maccabaeus recorded for Anglia Television, Verdi Requiem (RLPO), La Damnation de Faust and Beethoven Choral Symphony No 9 with the RTE National Symphony Orchestra (Ireland); The Rise and Fall of the City of Mahagonny for the Edinburgh Festival, Aegisthus Elektra in concert performances for Opera North, Mahler’s 8th Symphony with the Hallé and BBC Philharmonic Orchestra with Sir Mark Elder, and Gaoler Il Prigioniero with the Philharmonia Orchestra and Esa Pekka Salonen.

Among his numerous recordings are Delius' Song of the High Hills and Master of Ceremonies in Britten's Gloriana conducted by Sir Charles Mackerras for Decca Records, Tichon Kat’a Kabanová with Carlo Rizzi, Bardolfo Falstaff with Sir Colin Davis for Chandos and Leonard Meryll Yeomen of the Guard with Sir Charles Mackerras and the Orchestra of Welsh National Opera for the Telarc label.

Future engagements include Rev. Adams Peter Grimes and The Dog’s Heart for Teatro alla Scala, Milan, The Captain Wozzeck with the Philharmonia Orchestra, Die Zauberflöte and a revival of Anna Nicole for Covent Garden, Michel Julietta for English National Opera, Alwa Lulu for Welsh National Opera and Desportes Die Soldaten for Zurich Opera.