John de Clef Piñeiro, a graduate of Yale Law School, is the First Deputy General Counsel of the New York City Housing Authority by profession and an orchestral composer by avocation. He describes himself as an autodidact when it comes to his passion for music and composition. He is best known in the new music community as an editorial contributor of concert and CD reviews and interviews for The New Music Connoisseur. His works have been performed in concert halls and public schools and college venues in New York City and elsewhere in the United States.

John de Clef Piñeiro is the Executive Director of the New York Composers Circle.