The Indiana University String Academy commissions him frequently, playing his works all over the United States, France, Argentina, and Japan. He has scored films for Jaron Henrie-McCrea (winner of a Student Academy Award). A solo piano piece, Cuerpo Garrido, won Columbia University's prestigious Bearns Prize in 2006. Renowned soprano Susanna Phillips commissioned him to write "Speaking for the Afghan Woman," a song cycle based on poetry by Afghan women. Also a professional violinist with degrees from Juilliard and Indiana University, William served as Violin and Viola Teacher and conductor of the Afghan Youth Orchestra (AYO) at Afghanistan National Institute of Music from 2010 to 2014. He conducted AYO in sold-out concerts at Carnegie Hall (where his re-compositions won praise from the New York Times and the New Yorker) and at the Kennedy Center, as well as on eight occasions for President Hamid Karzai. Recently named concertmaster of Mexico’s premier orchestra, the Orquesta Sinfónica Nacional, he previously served as concertmaster of the OSSLA (Mexico), Orquesta Sinfónica de la UNSJ (Argentina), and the Spokane Symphony. He has performed concerti with orchestra in Argentina, the USA, Mexico, and the Philippines. In 2005, William founded Cultures in Harmony, an NGO that promotes cultural understanding through music. For more information, visit www.culturesinharmony.org