
Actor | Soprano | Theatre-Maker
Opera Performance
Siobhan McNulty is an American Soprano known for her powerful voice and stage presence consistently utilizing her versatile instrument with ease in the realms of Art Song, Pop Music, Musical Theatre, Operetta and Opera.


Vocal Attributes & Training
Known for sparkling top notes and a warm middle range, along with a confident lower chest voice, Siobhan is currently building up repertoire in the fuller Lyric Coloratura category, but she has dipped into several fachs along her vocal journey including some light Lyrico-Spinto and Dramatic Coloratura repertoire. Siobhan has been classically trained since she was 15 and has had the pleasure of studying under Tenor Val Kuznetsov, Mezzo-Soprano Jennifer L. Barrett, and Soprano Victoria VerHoven.
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Siobhan has previously trained at Berlin Opera Academy, Varna International in South Carolina and with Operaworks in Chicago.
She has participated in a variety of coachings and masterclasses with the likes of Dr. Jolene Flory, David Crawford, Janet Hopkins, Dr. Errik Hood, Amy Shoremount-Obra, Rami Sarrieddine, Calio Alonso, Katrine Hilbe, Dominic Barberi, Ann Baltz, Laura Parker, Eli Villanueva and Rachelle Tsachor.
Repertoire
Siobhan has sung the complete roles of Taumännchen in Humperdinck's Hänsel und Gretel and Mercury in Offenbach's Orpheus in the Underworld. She has also performed scenes as Adele in Johann Strauss II's Die Fledermaus and Fiordiligi in Mozart's Cosi fan Tutte, and has covered Mabel in Gilbert & Sullivan's The Pirates of Penzance.
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​Siobhan wore many hats for North Central College's 2025 Opera Workshop, which combined an English-language rendition of Mozart's Der Schauspieldirektor (The Impresario) with a revue of pieces from throughout opera history (At the Audition). Siobhan worked behind the scenes as both Dramaturg and Head Makeup Artist on the production.
She also oversaw the full casts's learning of The Impresario's finale, assisting in rearranging said number from a quartet to a full ensemble number.
Onstage, she sang the role of seasoned Soprano, Madame Goldentrill, tackling Mozart's treacherous coloratura passages with ease and shining in the over-the-top comedic style required by the script. The piece was conceptualized and directed by Jennifer Barrett and Conducted by Tim Semanik.


Goals for the Future
Some roles Siobhan is working towards include the Heroines in Les Contes d'Hoffmann, Musetta in La Boheme, Gilda in Rigoletto, Monica in The Medium, Pamina in Die Zauberflöte and more.
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Next up, Siobhan will rejoin Varna International's Muzika! Festival, where she will sing Musical Theatre and Opera repertoire in concert. She will also be a part of Corinne Hayes' production of Die Fledermaus, singing in the chorus and covering the role of Adele.