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Edward D. Mysak Clinic for Communication Disorders
Teachers College, Columbia University
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Edward D. Mysak Clinic for Communication Disorders 

Clinic Faculty and Staff > Adjunct Faculty

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Adjunct Faculty

Justine joan sheppardJustine Joan Sheppard, Ph.D., CCC-SLP, BRS-S has been an Adjunct Associate Professor in Speech Pathology at Teachers College since 1985. She has been the Supervisor of the Infant Evaluation Clinic at The Edward D. Mysak Clinic for Communication Disorders since 1980. She received her B.A. in Psychology from New York University, her M.A. from Teachers College and her Ph.D. from Columbia University. In addition to holding the American Speech-Language and hearing Association’s (ASHA) Certificate of Clinical Competence in Speech-Language Pathology (CCC-SLP), she is an ASHA Fellow and a Board Recognized Specialist in Swallowing and Swallowing Disorders (BRS-S).  Her research interests are speech production and swallowing and feeding disorders (dysphagia) in infants, children and adults with developmental disability and acquisition of speech and swallowing behaviors in infants and children.  Dr. Sheppard is active in continuing education and, in addition to her teaching at Teachers College, has presented many workshops in the USA, Canada, Australia, New Zealand, Singapore and Europe. She was honored as Distinguished Visiting Lecturer, Department of Communication Disorders, University of Canterbury in Christchurch, NZ and as Guest Editor for a Clinical Forum on Dysphagia in the Schools, Language Speech and Hearing Services in the Schools.  Dr. Sheppard has contributed many scientific papers to peer reviewed journals and authored scholarly book chapters on topics in dysphagia in children and adults with developmental disability. She co-edited, Dysphagia and the Child with Developmental Disabilities, Medical, Clinical and family interventions.  She is a member of ASHA, NYSSLHA, NJSHA, DRS, AACPDM (Fellow) and IASSID. She is licensed and practices as a Speech-language Pathologist in NY and NJ.


Karin wexlerKarin Wexler, Ph.D. CCC-SLP BRS-S established a Fluency Evaluation and Treatment Program and Stuttering Clinic within the Mysak Clinic in 1988.  She specializes in assessing, treating, and preventing fluency disorders in preschoolers, school-aged children, and adults.  Dr. Wexler is a Board-Recognized Specialist (BRS-FD) and Mentor in fluency disorders.  She holds the American Speech-Language and Hearing Association’s (ASHA) Certificate of Clinical Competence in Speech-Language Pathology (CCC-SLP) and state licenses in NY, NJ, and CT.  As a frequent presenter on stuttering, stuttering therapy, and self-help, Dr. Wexler addresses SLPs, other professionals, and the public. Dr. Wexler is an Adjunct Associate Professor in the Program, having received an honorary appointment in 1985. She received her Ph.D. in SLP at Columbia University in 1978, specializing in stuttering and fluency development.  She also holds MA and MPh degrees in SLP from Teachers College. Both academic and clinical courses in assessment, treatment, and prevention of fluency disorders are taught by Dr. Wexler. She has been teaching graduate courses on these topics since 1978 (at Teachers College and New York University). Published and grant-funded research by Dr. Wexler has been in fluency development, stuttering, and in communication of non-speaking individuals. Dr. Wexler was Director of the Speech and Hearing Department at Helen Hayes Hospital, W. Haverstraw, NY, for many years. Before that, she worked as a SLP at St. Joseph’s Hospital, Paterson, NJ. In these positions, she acquired extensive experience with a wide range of disorders and close interdisciplinary work.

Clinic Faculty and Staff