Henry made his career debut in the role of Ernesto in Opera Queensland's production of Don Pasquale, and his principal debut with Opera Australia as the Italian Singer in Der Rosenkavalier.
For Opera Australia, Henry has also performed the roles of Tebaldo in I Capuleti e i Montecchi, Acis in Acis and Galatea, Nemorino in L'elisir D'amore, Gerald in Lakmé, Nadir in Les pêcheurs de perles, Tamino in The Magic Flute, Don Ottavio in Don Giovanni, Ferrando in Così Fan Tutte, Count Almaviva in Il Barbiere di Siviglia, Oronte in Alcina, Rinuccio in Gianni Schicchi, Hotel Porter in Death in Venice, The Defendant in Trial By Jury, Faninal Major-Domo in Der Rosenkavalier, Herald in Rinaldo, as well as tenor soloist in Vaughan William’s The Pilgrim’s Progress, Mozart's Reqiuem and excerpts from Mitridate re di Ponto. His other roles include the premiere of Russell in Busking Hugs for Oz Opera, Borsa in Rigoletto (Macau International Music Festival), Ralph Rackstraw in HMS Pinafore, Nanki-Poo in The Mikado, Frederick in The Pirates of Penzance, and Gabriel von Eisenstein in Die Fledermaus. Henry's understudy work has included Ramiro (La Cenerentola), Tito (La Clemenza di Tito), Tybalt (Romeo et Juliet), Remendado (Carmen), and 1st Jew (Salome).
Henry's concert and corporate profile has been impressive and varied, having performed in concert with Joan Carden (Stars of Opera: Stars of the Future), the Three Chinese Tenors, the Three Australian Tenors, Melbourne Symphony Orchestra, Sydney Symphony Orchestra, Australian Youth Orchestra, Auckland Philharmonia, and the Australian Army Band Brisbane (under Lt. Col. Patrick Picket CSM). He has performed as principal tenor in Opera Queensland's concert-productions of The Food of Love and Moonlight, Mozart and the Movies, as well has having sung at the launch of the Melbourne Food and Wine Festival, Opera in the Rainforest, and Opera in the Vineyard (Ballandean Estate Wines).
Henry has performed soloist in many oratorio works including Mozart's Requiem, Handel's Messiah and Samson, Beethoven's 9th Symphony, Bach's St John Passion, Rossini's Petite Messe Solemnelle, and has sung recitals for various groups including the Opera Society of Victoria, Eastern Metropolitan Opera, The Australian Robert Stolz Society, and The Lieder Society of Victoria. His recent oratorio performances have included the role of Evangelist in Bach’s St Matthew Passion with Bach Musica, Auckland, and Mendelsohn's Elijah alongside baritone Teddy Tahu Rhodes with Auckland Philharmonia.
In the remainder of 2009 Henry will perform the role of Ferrando in a new production of Così Fan Tutte by Jim Sharman at both the Sydney Opera House and The State Theatre of Victoria. He will once again appear in Mendelsohn’s Elijah alongside Teddy Tahu Rhodes for the Tasmanian Symphony Orchestra at Hobart’s Federation Concert Hall, and Handel’s Messiah for Perth’s Collegium Symphonic Choir at the Perth Concert Hall.