Mark Grey made his Metropolitan Opera debut with Doctor Atomic in 2008, returning there for L’Amour de Loin, The Merry Widow, Iolanta, Bluebeard’s Castle, El Niño, The Death of Klinghoffer, Nixon in China and Ainadamar, as well as Antony and Cleopatra spring 2025. As a composer, his opera Frankenstein premiered at Brussel’s La Monnaie in 2019, and his opera Birds in the Moon premiered with the New York Philharmonic in 2021. He has had several commissions from the Atlanta Symphony, Los Angeles Philharmonic, and several other orchestras and ensembles. He is an Emmy Award–winning sound designer whose work appears at leading concert halls, theaters, and opera houses, and in 2002, he became the first sound designer for the New York Philharmonic. He is the resident sound designer for the Ojai Music Festival and Park Avenue Armory.