Resident Director, he spent ten years with the Broadway production, and performed in about fifty cities across the United States and Canada on the national tour. He has been a part of approximately 8,000 performances of Phantom. Among the opera companies John has sung with are the Vienna State Opera, La Scala, the Opera Company of Philadelphia, Houston Grand Opera, Seattle Opera, Chautauqua Opera, Minnesota Opera, Opera Theatre of St. Louis, the Florentine Opera of Milwaukee, Miami Opera, and a special favorite of his, the Santa Fe Opera, where he has performed in thirteen productions. John has shared the stage with such performers as Olivier and Tony Award winner Mark Rylance and renowned opera stars Bryn Terfel, Frederika von Stade, Jose Carreras, Kirite Kanawa, and Tatiana Troyanos. He has worked with such directors as Tony award winner Hal Prince, Stephen Wadsworth and Francesca Zambello, and with conductors Leonard Bernstein, Nicolaus McGegan, Edo de Waart, Kent Nagano, George Manahan, and New York Philharmonic Music Director Alan Gilbert.  He was chosen by Philip Glass to perform in the composer’s La Belle et la Bête on European and American tours, Orphée at the American Repertory Theatre in Cambridge, and in concert at the Metropolitan Museum of Art. He can be heard on recordings of A Quiet Place and West Side Story, both conducted by Maestro Bernstein, and La Belle et la Béte. He has a master’s degree from the prestigious Curtis Institute of Music in Philadelphia, and continued his dramatic studies at HB Studios in New York. He has maintained a private voice studio in New York, served on the faculty of the Joop van der Ende Academy in Hamburg, one of the leading music theater training programs in Europe, and is the Director of Voice and Opera at the Dallas Conservatory.