The first American woman in twenty-five years to win First Prize in the prestigious Francisco Viñas Singing Competition in Barcelona, Spain, as well as the Verdi and Public Prizes, Barbara has been compared to such iconic singers as Leyla Gencer, Montserrat Caballé and Rosa Ponselle. 

In 2009, Ms. Quintiliani assumed the title role in Wexford Festival Opera's production of Donizetti's Maria Padilla where she garnered unanimous audience and critical acclaim. Ms. Quintiliani followed-up her success in Wexford with an acclaimed debut in the title role of Bellini's Norma for Chautauqua Opera.  The 2010 - 2011 season saw a rave appearance with the Grammy-nominated Boston Baroque in a performance that included Ah! Perfido by Beethoven and arias from Cherubini's original French version of Medee and a stunning return to the title role of Maria Padilla for Opera Boston.  In July 2011, Ms. Quintiliani also reprised the role of Luisa Miller to thunderous applause and great critical acclaim at Chautauqua Opera's Amphitheatre.

Previously, the Quincy, Massachusetts soprano triumphed as Elettra in Mozart’s Idomeneo for both Washington National Opera with Placido Domingo and The Gran Teatro del Liceu in Barcelona.  She has also made a name for herself in such demanding roles as Donna Anna in Don Giovanni, Gulnara in Verdi's Il Corsaro, Elvira in Ernani, Leonora in Il Trovatore and Donizetti’s Lucrezia Borgia.

Ms. Quintiliani was a Grand Prize winner of the prestigious National Metropolitan Opera Council Auditions, First Place winner of the Marian Anderson International Vocal Arts Competition, First Place winner of the Eleanor McCollum Competition for The Houston Grand Opera, First Place winner of the Licia Albanese-Puccini Foundation Competition in New York and winner of the Sarah Tucker Study Grant from the Richard Tucker Foundation.  In addition, she participated in some of America's most renowned young artist training programs including The Santa Fe Opera Young Artist Program, The Houston Grand Opera Studio Artist Program and The Domingo-Cafritz Young Artist Program at the Washington National Opera.

An enthusiastic and communicative recitalist, Ms. Quintiliani has delighted audiences throughout the United States and Europe.  She debuted at Weill Recital Hall under the auspices of the Marilyn Horne Foundation as well as appearing for The Bank of America Celebrity Series and The Dame Myra Hess Foundation Recital Series in Chicago.

Her future engagements include various concert appearances across the United States.