Evan Antonellis was born in New England and was trained as a pianist and composer. He obtained his doctorate in composition from Manhattan School of Music, where he represented his graduation class to receive the prestigious Helen Cohn award for outstanding achievement. He has won several prizes, including a 2013 Tanglewood Fellowship, where he studied composition with John Harbison, Michael Gandolfi, and George Benjamin, and worked with members of the Boston Symphony Orchestra. He has also won a MacDowell Fellowship, a commission from MATA for the Talea Ensemble, and a BMI Student Composer Award, the Nicholas Flagello award for outstanding composer, and a fellowship at the Ostrava Days Music Festival. His works have been performed around the country, and also in Germany, the Czech Republic, the Slovak Republic, the United Kingdom, and Taiwan. He is currently working on a piano trio for LONGLEASH that combines the literature of Ezra Pound with the works of the Chinese artist Xu Bing.
He currently maintains a private studio in Los Angeles, and most recently taught summer sessions at the Young Musicians Program at the University of California, Berkeley, from 2010 to 2015. He was also an Assistant Professor of Theory at Ohio University, having previously taught theory at Manhattan School of Music for four years. He has lectured on his music at Manhattan School of Music, Columbia University, and Janacek Conservatory in the Czech Republic, and he has worked individually with John Harbison, Michael Gandolfi, Marco Stroppa, Christian Wolff, Bernhard Lang, Tristan Murail, Dawn Upshaw, Frederic Rzewski, and Richard Danielpour. His primary composition teachers have been Andy Vores, Dalit Warshaw, Nils Vigeland, and Reiko Fueting.