Nina Warren (Soprano) - APA Artists' Management Alexandra Mercer - www.apaartistsmanagement.com Born in California, Nina Warren began her career at the Metropolitan Opera as Gerhilde DIE WALKÜRE under James Levine. A graduate in dance and theatre arts from Brigham Young University, she studied voice at the Manhattan School of Music and at the Juilliard School Opera Center. In the demanding repertory of dramatic soprano she went on to appear in principal theatres and concert halls throughout the United States, Europe and South America.