Elizabeth Hummer is a producer and videographer living in New York City. Her work has achieved two Emmy Awards. She contributes regularly to The Doctors on CBS. http://www.hummerproductions.com/
Amy Cooper, MS CCC-SLP is a speech language pathologist and singing voice specialist with a private practice in Northern New Jersey. She has lectured around the world in the area of voice disorders and has over 17 years of experience working in the rehabilitation of singers. www.jerseyspeechlab.com