In September 2002, Mezzo Soprano Valerie Nicolosi debuted on the American operatic stage in the title role of Rossini’s La Cenerentola with Opera Providence. Since then she has received critical acclaim for leading operatic roles, concert works and recitals across the country.

In the opera world, she is a favorite for pants roles and Rossini Heroines having song the role of Cherubino in Le Nozze Di Figaro with Dayton Opera, Abilene Opera, and Knoxville Opera and Rosina in Barber of Seville with St. Petersburg Opera (FL) and Commonwealth Opera.

Other operatic roles she is known for include Dorabella in Cosi Fan Tutte, Hermia and Oberon in Midsummer Night’s Dream, Hansel in Hansel and Gretel, Olga in Eugene Onegin, Zerlina in Don Giovanni, Suzuki in Madame Butterfly, Stephano in Roméo et Juliette, La Ciesca and Zita in Gianni Schicchi, Prince Orlovsky in Die Fledermaus, Cupid in Orpheus and the Underworld and Mother Abbess in The Sound of Music.

In the Fall of 2006 she sang the title role in Gustave Holst's three-man opera Savitri with Lexington Symphony under the baton of Jonathon Mcphee. In February 2007 she appeared as a soloist in the Boston Ballet's production of Mendelssohn's Midsummer Night's Dream. In October of 2007 Miss Nicolosi sang the role of Mrs. Clancey in a fully-staged orchestral production of Lee Hoiby's one-woman-opera The Italian Lesson with Opera Providence conducted by Timothy Steele.

Besides her opera work, Miss Nicolosi is a popular concert soloist and recitalist. She has appeared as a soloist with the Indian Hill Symphony, Knoxville Symphony, Chattanooga Symphony, Falmouth Chorale, Rhode Island Civic Chorale and Orchestra, Hartford Festival Orchestra, St. Alban's Symphonia, and the Boston Ballet. In 2008 she performed the soprano soloist in Vaughan Williams’ Sea Symphony with Longwood Symphony at Jordan Hall in Boston.

Miss Nicolosi is also well-known for her inventive song recital programs which make the classical song repertoire more accessible to contemporary audiences and are popular on a wide variety of venues around the United States. In Spring of 2008 she released her first CD recording, The Rosary in Song based on her popular recital by the same name.

Teaches also in Falcon, Colorado.