Kelley Nassief's critically acclaimed performances on symphonic stages across the globe have established her as one of the world's leading concert and recital artists. She has performed with such conductors as Kurt Masur, Michael Tilson Thomas, Charles Dutoit, Marin Alsop, Seiji Ozawa, Neemi Jarvi, Carlos Prieto, and Miguel Harth Bedoya. Miss Nassief has performed with such orchestras as The New York Philharmonic, L'Orchestre de Paris, Dresden Philharmonic, Gewandhaus Orchester, The Israel Philharmonic, The National Symphony, The Royal Flemish Philharmonic, Chicago Symphony, L.A. Philharmonic, Portland Symphony, Philadelphia Symphony, Radio France, La Verdi Orchestra in Milan, Real Orquesta Sinfónica de Sevilla, Tanglewood Orchestra, and Houston Symphony. Miss Nassief has also performed lead roles with The Lyric Opera of Chicago, Strasbourg Opera, Philadelphia Opera, Arizona Opera, Atlanta Opera, Minnesota Opera, Glimmerglass Opera, Chautauqua Opera, and Portland Opera.
Kelley Nassief was named a winner of the Metropolitan Opera National Council Auditions, was awarded a Sullivan Foundation Grant, is a Laureate of the Leonard Bernstein Jerusalem International Oratorio and Song Competition, and received a Richard Tucker Career Grant.
She holds a Masters Degree in Vocal Pedagogy from Westminster Choir College, and a Bachelors of Music from Portland State University, and additional studies in Vocal Disorders.