Antony Zwerdling performs opera, oratorio, and recital repertoire across the United States. He has appeared in over twenty-five operatic roles, including Papageno in Zauberflöte, Eisenstein and Falke in Die Fledermaus, Sid in Albert Herring, Marcello and Schaunard in La  Bohème, and Figaro in Il Barbiere di Sivilia. As an oratorio soloist, his repertoire includes Händel's Messiah, Bach's St Matthew Passion, and the requiems of Brahms, Mozart and Fauré. He has presented ten different recital programs, choosing repertoire that spans a wide range  of stylistic periods and genres.

He performs with numerous opera  companies, choruses, and orchestras, including Washington National Opera, Wolf Trap Opera Company, Maryland Lyric Opera, Washington Bach Consort, Opera Lafayette, National Philharmonic, Handel & Haydn Society, Symphony Orchestra of Northern Virginia, Boston Lyric Opera, Lake George Opera, Washington Concert Opera, Charlottesville Opera, and Philharmonia Baroque. He has also presented recitals for Music at Penn Alps, Church of the Epiphany (D.C.), and the Ward Virts and Benny C. Morgan recital series.

Zwerdling received his bachelor's degree from Northwestern University, performance certificate from The Boston Conservatory, and master's degree from Boston University.  In 2007, he earned his doctorate from Shenandoah Conservatory, writing about songs of Samuel  Barber. He teaches voice at Hood College and College of Southern Maryland in addition to maintaining a private studio.