Banks was born in Roscoe, New York, United States in 1969. He is the founding director of the vocal ensembles, The Esoterics and Ædonis. As a composer, Banks writes primarily for a cappella chorus. He is a polyglot and frequently sets texts in languages other than his native English, including dead languages such as Epic Greek and Avestan.
In June 2010, Eric was granted the prestigious Dale Warland Singers Commission Award from Chorus America and the American Composers Forum to compose This delicate universe, a cantata based on climate-change statistics, for the choral ensemble Conspirare in Austin. He currently holds commissions from the Boston Children’s Chorus, Clerestory, Kitka, the Philippine Madrigal Singers, Seattle Opera, the Singapore Youth Ensemble, the Verge Ensemble, and Voces Nordicæ. Eric taught music theory, music history, musicianship, composition, and voice at Cornish College of the Arts from 2004 to 2012, and has been a visiting scholar at the Cama Oriental Institute in Mumbai, India.