Anthony F. Jahn is Professor of Clinical Otolaryngology at Mount Sinai School of Medicine. He is the author of more than 100 scholarly papers and several textbooks on vocal health. He has had an association with the Metropolitan Opera for more than 40 years and is also Adjunct Professor of Vocal Pedagogy at Westminster Choir College in Princeton.
Youngnan Cho is Assistant Professor of Clinical Otolaryngology at Columbia University College of Physicians and Surgeons. She has lectured internationally to both singers and physicians on disorders of the professional voice and is on the faculty of the Bel Canto Institute in Florence. Dr. Cho oversees health services at three Lincoln Center performing venues, including the Metropolitan Opera, where she is Director of Medical Services.