John Nix is Professor of Voice and Voice Pedagogy at the University of Texas at San Antonio.  His mentors include Barbara Doscher and Ingo Titze.  Current and former students have sung with the Santa Fe, Arizona, Chautauqua, St. Louis, Nevada, Omaha, and San Antonio opera companies, and two have served as NATS Intern Master Teachers.  In addition to his active voice teaching studio, he performs research in voice pedagogy, literature, and acoustics, having produced more than 50 published articles and 9 book chapters; he also co-chairs the NATS Voice Science Advisory Committee, is a co-founder for the NATS Pedagogy Institute, serves as an Associate Editor for The Journal of Singing, and is a member of the American Academy of Teachers of Singing.  Mr. Nix is editor and annotator of From Studio to Stage: Repertoire for the Voice (Scarecrow, 2002), vocal music editor for the Oxford Handbook of Music Education (OUP, 2012), one of three general editors for the Oxford Handbook of Singing (OUP, 2019), and one of two general editors for the forthcoming Oxford Handbook of Voice Pedagogy (OUP, fall 2025).