Simon John O'Neill (born 1971) is a New Zealand-born operatic tenor. In 1998, his image appeared on the New Zealand one-dollar performing arts postage stamp. Biography O'Neill was born in Ashburton, New Zealand, and received his musical training at the University of Otago, Victoria University of Wellington, graduating with an honours degree in music, before receiving scholarships to the Manhattan School of Music (where he earned a Master of Music degree in 2000) and the Juilliard Opera Center. In late 2016 he was awarded Doctor of Music (Honoris Causa) from Victoria University of Wellington. O'Neill was appointed Officer of the New Zealand Order of Merit in the 2017 Queen's Birthday Honours. While studying at the Juilliard Opera Center, he sang the title role in Idomeneo, Sam Polk in Susannah, and Chevalier de la Force in Dialogues of the Carmelites under the baton of Julius Rudel. Subsequently, at San Francisco's Merola Opera Program, he performed Rodolfo in La bohème as well as the title role in La clemenza di Tito with Wolf Trap Opera. In 2004, O'Neill was the subject of a TVNZ, BBC documentary The Understudy about his contract at the Metropolitan Opera to cover Siegmund for Plácido Domingo in the Met's Otto Schenk production of Die Walküre. O'Neill made his Metropolitan Opera debut as the Gran Sacerdote in Mozart's Idomeneo with James Levine, his Royal Opera House debut as Jenik in Smetana's The Bartered Bride with Sir Charles Mackerras followed by Florestan (Fidelio) with Antonio Pappano and Salzburg Festival in Die Zauberflöte with Riccardo Muti and his Vienna Staatsoper debut as the title role in Parsifal with Christian Thielemann. He performed the role of Siegmund in Richard Wagner's Die Walküre at the Royal Opera House, Covent Garden, with Sir Antonio Pappano, Teatro alla Scala and Berlin Staatsoper with Daniel Barenboim, Vienna Staatsoper with Franz Welser-Möst, Bayerische Staatsoper with Kent Nagano, Hamburgische Staatsoper with Simone Young, the Deutsche Oper and the Metropolitan Opera with Donald Runnicles and in the 2013 Otto Schenk Ring production and in the Robert Lepage production with Fabio Luisi. He made his 2009 debut in the title role of Verdi's Otello with Sir Colin Davis and the London Symphony Orchestra and in 2010 he debuted at the Bayreuth Festival in the title role of "Lohengrin", returning in the title role of Parsifal in 2011. The same year, O'Neill made his role debut as Walter von Stolzing