Ingo R. Titze is a voice scientist and executive director[1] of the National Center for Voice and Speech and Adjunct Professor in the Department of Otolaryngology/Head and Neck Surgery at the University of Utah in Salt Lake City. He also teaches at the Summer Vocology Institute, also housed at the University of Utah. He is a Distinguished Professor[2] at the Department of Communication Sciences and Disorders at the University of Iowa and has written several books relating to the human voice.[3][4][5][6]