Theo Trevisan (b. 1999) is a Los Angeles-based composer, bass-baritone, and conductor from New Jersey. His influences include the Renaissance, algorithms, minimalism, and memes.
Theo’s music has been performed by many collaborators, including the International Contemporary Ensemble, TAK Ensemble, Mivos Quartet, Friction Quartet, Antioch Chamber Ensemble, Princeton Laptop Orchestra, DJ Sparr, David Friend, Matthew Gold, and Soo Yeon Lyuh. He has sung with the choir of St. James in-the-City LA, Tonality, Choral Arts Initiative, C3LA, Gallicantus, various Princeton and USC choirs, and the Princeton Katzenjammers acapella group. Additionally, he sings in the recently founded vocal octet Exilio, which is dedicated to programming new music and composers from underrepresented groups.
As a child, Theo sang at the American Boychoir School, performing in 30 states and South Korea with world-class conductors and ensembles. Theo holds a B.A. from Princeton and an M.M. in Composition from USC. His composition mentors include Ted Hearne, Andrew Norman, Donald Crockett, Jeff Snyder, Dan Trueman, Donnacha Dennehy, and Dmitri Tymozcko. He has studied voice with Reid Bruton and Jacqueline Horner-Kwiatek; and conducting with Gabriel Crouch and Tram Sparks.
Theo contributed to software development of Dan Trueman’s bitKlavier app and Jeff Snyder’s Vocodec instrument. Since 2019, Theo has spent summers teaching composition and conducting choir at the Walden School’s Young Musicians Program, and he has been teaching musicianship for National Children’s Chorus and LA Children’s Chorus since 2024.
Other interests include reading obscure history, playing strategy games, telling bad puns, skiing, and vegetarian cooking.
