Hintz Family Endowed Chair in Children's Communicative Competence in the Department of …

Professor Emeritus of Communication Disorders, University of Nebraska, Lincoln

Professor of Special Education, Penn State University

Prof.,Comm Sci & Dis; AD Research, Clinical & Rehab Sci, Northeastern University

Professor of Special Education, University of Nebraska, Lincoln

La Trobe Rural Health School

Penn State

The University of Newcastle, Australia

Professor, Joint Appointment in the Dept. of Speech, Language, and Hearing Sciences, and …

Professor of Speech and Hearing Sciences, University of New Mexico