Faculty and Staff

2017 SPA Faculty

Our philosophy is to facilitate open communication between students and faculty via an open-door policy which allows students to discuss any academic, clinical, or personal topics as needed. We strive to provide a welcoming atmosphere that nurtures students in a way that will foster professional and interpersonal growth in their journeys to become professionals in the field of communication disorders.

 Susan Baker Brehm, Ph.D., CCC-SLP
Department Chair, Professor

Dr. Baker Brehm is a speech-language pathologist whose interests include the evaluation and treatment of voice disorders. She has a clinical and research affiliation with the Center for Pediatric Voice Disorders at the Cincinnati Children's Hospital Medical Center. Her research also focuses on the use of respiratory training to reduce breathlessness during speech and exercise in patients with upper airway disorders.

 Donna Scarborough, Ph.D., CCC-SLP,BCS-S
Director of Graduate Studies, Associate Professor

Dr. Scarborough is a speech language pathologist, who has taught a number of classes at both the undergraduate and graduate levels. Her research interests include developmental neurosensory physiology, dysphagia, medical pediatrics. Dr. Scarborough has engaged in cross disciplinary activities with Manufacturing and Mechanical Engineering, Neuroscience, Statistics, and Farmer School of Business at Miami University. In conjunction with Dr. Bailey-Van Kuren (of Engineering) holds 2 patents. Dr. Scarborough is also a Board Certified Specialist in Swallowing (BCS-S) and regularly treats pediatric patients in the Speech and Hearing Clinic. Dr. Scarborough became the Director of Graduate Studies in August of 2013. She currently holds a position on the board of directors as a counselor for the Dysphagia Research Society. She is also actively involved with the American Speech Language Hearing Association, SIG 13, Swallowing and Swallowing Disorders and serves as a mentor for the BCS-S.

 Cheryl Stewart, M.A., CCC-SLP
Clinic Coordinator

Mrs. Stewart is a speech-language pathologist who has worked in a variety of settings as a clinician, supervisor, team coordinator, consultant and independent contractor. She specializes in infants and toddlers.


 Tammy Brown, M.A, CCC-A, FAAA
Clinical Instructor

Ms. Brown is a clinical audiologist who provides services in the Miami University Speech and Hearing Clinic. She has worked and trained in hospital, school, and private ENT clinic settings. Her interests are evaluation and treatment of all ages, etiology of hearing loss, consumer-based care models, interdisciplinary collaborative program development, and student engagement and supervision. She has presented on topics of ethics, genetics of hearing loss, hearing aid fitting rationale, and other audiology topics. Ms. Brown has also served numerous leadership roles including an Audiology position on the Ohio Board of Speech Pathology and Audiology.

 Amber Franklin, Ph.D., CCC-SLP
Associate Professor

Dr. Franklin is a speech-language pathologist whose research interests include cross-linguistic and child phonology, cultural and linguistic diversity in CSD, and scholarship of teaching and learning. Her focus is on the appropriate identification of speech sound disorders within dialectal variation. She is currently investigating linguistic variation on the Eastern Caribbean island of Anguilla, where local residents speak English and Anguillian English Creole. Dr. Franklin is the director of the Language Learning Pronunciation and Perception Lab (L2P2). She is a member of the National Black Association for Speech-Language and Hearing, the Society for Caribbean Linguistics, and the American Speech-Language-Hearing Association’s SIG 14 on Cultural and Linguistic Diversity. In 2017, Dr. Franklin was named Miami University’s ASG Outstanding Professor of the Year.

 Renee Gottliebson, Ph.D., CCC-SLP
Associate Clinical Professor

Dr. Gottliebson is a speech-language pathologist whose interests include the evaluation and treatment of voice disorders, particularly the care and training of the professional voice. Additionally, Dr. Gottliebson specializes in adult spoken communication enhancement and spoken English enhancement. Dr. Gottliebson serves as Externship Coordinator for the graduate program. 

  Megan Gross, M.S., NIC
Associate Clinical Faculty

Mrs. Gross serves as the Program Coordinator for the American Sign Language courses. She teaches the intermediate American Sign Language courses as well as the Global Perspectives on Deaf Culture and ASL Service Learning courses. She is a nationally certified interpreter and has worked in the education, medical, legal, and video relay service industries.

 Chip Hahn, M.S., Au.D., CCC-A/SLP
Associate Clinical Professor

Dr. Hahn is a Doctor of Audiology and Speech/Language Pathologist. He is the Director of Audiology Education. His clinical and research interests are in the areas of stuttering, child development, motor speech disorders, assistive technology auditory processing, and aural rehabilitation.

Jill HauserJill Hauser, M.S., CCC-SLP
Visiting Instructor

Mrs. Hauser is a speech-language pathologist whose professional interests include the treatment of speech sound production and language disorders in children and the use of augmentative and alternative communication. She received both her Bachelor’s and Master’s degree from the University of Kentucky. She has experience working in the public schools where she provided speech services at the elementary, middle, and high school levels. She has also worked in the pediatric, outpatient clinic setting where she provided intervention for children with a variety of developmental and acquired conditions. She also has experience supervising graduate clinicians throughout her career. 

 Sarah Heimkreiter, M.S., CCC-SLP
Assistant Clinical Lecturer

Mrs. Heimkreiter attended the University of Kentucky and Miami University for her Undergraduate Degree. She also received her Masters from Miami University. She has worked in the School Setting for 21+ years. Her professional interests include School Law and the delivery of Speech-language Pathology Services in the Schools as well as Language and Literacy and Telepractice Services. She specializes in Speech and language services to School Age and Adolescents. Her interests include school-age language and literacy and social communication skills.

Kelly Knollman-Porter, Ph.D., CCC-SLP

Robert H. and Nancy J. Blayney Professor
Associate Professor

Dr. Knollman-Porter, is a speech-language pathologist with over 25 years of experience working with adults with acquired brain injury.  Her research is currently funded by NIH and focuses on the implementation of technological supports to facilitate reading comprehension for adults with aphasia.  Additional research addresses the development of diagnostic and treatment methods for adults with cognitive-communication disorders associated with concussion/mTBI.  Dr. Knollman-Porter currently directs the Miami University Concussion Management Program and the Miami University Aphasia Support Group.  She is the recent recipient of the Robert H. and Nancy J. Blayney Endowed Professorship. 

 Michelle Moran, M.S., CCC-SLP
Clinical Instructor

Ms. Moran is a speech-language pathologist whose interests include child language, speech and eating. She has provided clinical service to toddlers thru young adults with a variety of communication and eating challenges as well as diagnoses in outpatient, home, and school settings for over 20 years.

 Arnold Olszewski, Ph.D., CCC-SLP
Assistant Professor

Dr. Olszewski is a speech-language pathologist with previous experience working in schools. His research focuses on developing feasible, evidence-based language and literacy interventions for young children. Specifically, he has contributed to the development and evaluation of interventions for phonological awareness, alphabet knowledge, vocabulary, and syntax. Dr. Olszewski is the director of the Children’s Acquisition of Language and Literacy (CALL) Lab at Miami University.

 Gerard (Trace) Poll, Ph.D., CCC-SLP
Associate Professor

Dr. Poll’s research focuses on developmental language disorders in school-aged children, adolescents, and young adults. He is interested in developing better assessment practices and better defining the cognitive and linguistic characteristics of language-learning disorders. His work also focuses on enabling adolescents with disabilities to be better prepared for the transition from K-12 education to adult settings such as post-secondary training, employment, and community participation. Recent work in the lab has focused on the assessment of social communication abilities in at-risk adolescents and young adults. 

 Aaron Shield, Ph.D.
Associate Professor

Dr. Shield is a linguist whose interests include how language develops in typical and atypical children, particularly deaf and hearing children acquiring sign language, deaf and hearing children on the autism spectrum, and children with childhood apraxia of speech. He is particularly interested in the social and cognitive skills required to access language and how deficits in these skills can impair language development. He also studies the effects of sign language exposure on children with autism and children with apraxia of speech. 

 Connie Szymczak, Au.D. CCC-A
Clinical Instructor

Connie Szymczak has a Doctorate in Audiology and provides diagnostic and rehabilitative hearing sciences in the Miami University Speech and Hearing Clinic. She has over 38 years of experience diagnosing hearing problems in patients ages 1 day old to 105 years old. At the beginning of her career, she specialized in neurological aspects of hearing and balance and pediatric diagnostic audiology. She has contributed to the development of several audiology programs in acute care hospitals, physician offices, schools, and private practice centers. Her current passion is to optimize amplification for patients with difficult hearing problems with a special focus on the geriatric population. She is a clinical instructor of graduate students.

Photo of Megan WagnerMegan Wagner, M.A., CCC-SLP
Visiting Instructor

Mrs. Wagner is a speech-language pathologist whose specialization is school-age speech and language. She received her bachelor’s degree from The Ohio State University and master’s degree from Miami University. After beginning her career at Miami Valley Hospital on the inpatient rehab unit, she has worked in the school setting with children from kindergarten through sixth grade for the last 14 years.  Her interests include motor speech disorders, language development, and social communication skills.  In her free time, she enjoys spending time with her husband and three daughters, running, and traveling with friends and family.