Thirty years ago, after trying every method of speech therapy under the sun, he started to research the subject of stuttering himself to better understand the condition and find a treatment that would work for him. Eventually he published a paper in a scientific journal outlining what he saw as the cause of stuttering and a way to control it. In order to have the credentials to perform empirical research and test his hypothesis, he went back to graduate school – this time to become a certified speech-language pathologist.