Known for his full and lyric baritone, William Marshall is passionate about the study and vocal performance of Renaissance and Baroque repertoires. He has studied Historical Performance at the Amherst Early Music Festival, Bach Akademie Charlotte, and the American Bach Soloists Academy. In addition to the field of early music, he also performs traditional operatic and art song repertoire. This season William will perform with the Allentown Symphony Orchestra, Opera Philadelphia, and Bach in Baltimore.


William has portrayed characters in various operas such as Aeneas in Dido and Aeneas, Belcore in L’elisir d’amore, Count Almaviva in Le Nozze di Figaro, and Papageno in The Magic Flute amoung others. Opera company engagements include Rowan Opera Company, OperaDelaware, Peabody Opera Theatre, and Amherst Early Music. On the concert stage he has acted as baritone soloist for Bach’s Mass in b minor, Faure’s Requiem, Handel’s Messiah, Orff’s Carmina Burana, and Mozart’s Requiem. William is a two-time winner of the New Jersey State NATS Competition, winner of the Rowan University Soloist Competition, and finalist in the Bach Vocal Competition for American Singers as part of the Bach Choir of Bethlehem Bach Festival.


William Marshall is currently based in the Lehigh Valley, Pennsylvania teaching private voice lessons and has founded a chamber vocal ensemble in the Valley, Interrupted Silence. He is currently on the faculty at Mercer County Community College in West Windsor, New Jersey. William is a graduate of the Peabody Institute at Johns Hopkins University having earned a Master of Music degree in Historical Performance and Rowan University having earned a Bachelor of Art degree in Education and a Bachelor of Music degree in Music Education.

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As an educator William is an advocate for music literacy and comprehension. He facilitates learning through questions and discussions that promote tiered music learning and the bel canto style of singing. William is currently offering lessons for voice, music theory, and audition preparation in the Lehigh Valley.