Eric Robert Stewart is a composer and conductor based in New York City. He has collaborated with artists including the Talea Ensemble, the Argento Ensemble, the Gregg Smith Singers, the Cambridge Modern Orchestra, the New Conductors Orchestra, concert organist Felix Hell, and members of the American String Quartet and the New York Philharmonic. He has performed at venues such as Carnegie Hall (Zankel Hall), the Canadian Opera Company (Bradshaw Amphitheatre), and the Tilles Center. His music has been performed internationally, including at such festivals as June in Buffalo, CAMSI (Prague), FUBiS (Berlin), and the Aspen Music Festival.

Eric currently serves as the music director of the Island Symphony Orchestra and the Long Island Festival Orchestra. He is the Director of Orchestral Studies at Long Island University- Post, and the founder of the Mahler Festival of Long Island.