Susanna Su is a New York/New Jersey area soprano with a wide range of repertoire. In 2017 she premiered the role of Angel 1 in Paul Undreiner's Resurrection: A New Opera in Two Acts. She also sang selections from George Walker's Nine Songs with pianist Patricio Molina in collaboration with the Newark School of the Arts. In 2016 she expanded her musical theatre repertoire as Lady Thiang in The King and I at the Algonquin Arts Theatre. She also covered Norina in Don Pasquale with Light Opera of New Jersey. In 2015 she was selected internationally to be one of 37 singers for Carnegie Hall's Tallis Scholars Training Workshop, and performed a concert of Renaissance works with the Tallis Scholars as part of Carnegie Hall's Before Bach series.

Susanna is also active in performing new music. She has sung with C4, a Manhattan-based choral composer/conductor collective focusing exclusively on performing and commissioning new choral works. She was also a participant of the Summer Institute for Contemporary Performance Practice at New England Conservatory, where under the direction of pianist/conductor Stephen Drury, she performed Steve Reich's Tehillim, Matthias Spahlinger's avant-garde musica impura, and Kaija Saariaho's Lonh.

Susanna completed her Master of Music at New England Conservatory and received her Bachelor of Music with a double major in English from Rutgers University. Her operatic experience from New England Conservatory includes Miles in The Turn of the Screw, Frasquinella in La Périchole, Third Goose in Paul Bunyan, and Sister Constance in Dialogues of the Carmelites. At Rutgers, she sang the First Spirit in Die Zauberflöte, and chorus in Suor Angelica and the American premiere of Haydn's Le Pescatrici.

In addition to performing, Susanna maintains her private voice studio in Boonton.