SSI Adult and teen stuttering program info sheet SSI Adult and teen stuttering program info sheet The Speech & Stuttering Institute2020-07-22T14:16:07-04:00July 22nd, 2020| Share This, Choose Your Platform! FacebookTwitterRedditLinkedInEmail About the Author: The Speech & Stuttering Institute The Speech and Stuttering Institute is a non-profit organization dedicated to improving the quality of life for those with speech and stuttering challenges.