John is internationally renowned as a "teacher of teachers." He has trained hundreds of voice teachers worldwide through masterclasses, his online Contemporary Voice Teacher Academy, and his Amazon bestselling book, Teaching Contemporary Singing.
John has been a featured columnist for Backstage Magazine, publishing over 40 articles on vocal technique. John has lectured and taught at USC, The Learning Annex, Mount Saint Mary's, and Paul McCartney's Liverpool Institute of the Arts.
John's students range from beginners to superstars. He is available at his Music Academy in Glendora CA, and from anywhere via Skype lessons.