Speakers, singers, and therapists throughout the world are using Estill Voice Training™. Look for us in many locations, such as Broadway, Nashville, Massachusetts Eye & Ear Infirmary, Metropolitan Opera, Covent Garden, West End, Madison Square Garden, Sydney Opera House, Fortune 500 Companies, and more! Our cutting-edge voice training system and clinical software can work for you! The mission of Estill Voice International is to lead the way in vocal training and rehabilitation by providing simple tools that enable speakers and singers to achieve their personal vocal goals. Estill Voice International provides unparalleled educational & corporate opportunities, software solutions, specialized healthcare products, and the Estill Voice Training System. Central to our mission is the balance of vocal health and aesthetic freedom. Estill Voice International accomplishes this by merging science and art through progressive research, accessible technology, and innovative teaching techniques.