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The University of Texas at Dallas

Leadership

Thomas F. Campbell, PhD

Ludwig A. Michael, MD, Executive Director
Sara T. Martineau Professor in Communication Disorders

As executive director of the Callier Center for Communication Disorders, Dr. Campbell sets the strategic vision of the organization and oversees the center’s treatment, training and research efforts. Dr. Campbell brings extensive experience as a speech-language pathologist and has an advanced Board Certification in neurological communication disorders through the Academy of Neurologic Communication Disorders and Sciences. His research focuses on the identification of physiological, environmental and genetic variables for the early identification of speech and language disorders in children. Dr. Campbell is a trustee of the American-Speech-Language-Hearing Foundation. He joined the faculty at UT Dallas as a professor in the School of Behavioral and Brain Sciences and as executive director of the Callier Center in 2006.

Thomas F. Campbell

W. Bennett Cullum

President, Foundation for the Callier Center

As president of the Foundation for the Callier Center, Mr. Cullum spearheads the separate 501(c)3 organization that serves as an advisory committee to the president of The University of Texas at Dallas and to the executive director of the Callier Center. Mr. Cullum began his term as president in 2013 and has been a board member since 2008. The foundation’s mission is to increase recognition of the Callier Center in the community and within The University of Texas System, as well as to help carry out fundraising activities. Mr. Cullum is a partner with Bell, Nunnally & Martin LLP, where he focuses on estate planning, probate, real estate and civil litigation related to these areas of practice.

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Karen Clark, MA

Director, Education Division

As director of the education division, Ms. Clark manages the Child Development and Deaf Education Program. Accredited by the National Association for the Education of Young Children, the Child Development Program includes both tuition-based child development and public school deaf education in collaboration with the University of Texas Southwestern Medical Center and the Dallas Independent School District. Ms. Clark also has extensive background in the early intervention and support for families of infants and toddlers who are deaf or hard of hearing.

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Carol Cokely, PhD, CCC/A

Clinical Associate Professor and Coordinator of Clinical Teaching

As clinical associate professor and coordinator of clinical teaching, Dr. Cokely develops programs within the Doctor of Audiology (AuD) Program within the School of Behavioral and Brain Sciences to enhance and evaluate the quality of clinical education in audiology at the Callier Center. Dr. Cokely teaches courses in adult aural rehabilitation, research methods and counseling. Her continued research areas include auditory rehabilitation and clinical teaching methods. Dr. Cokely serves on the Board of Directors of the American Academy of Audiology (AAA) and the Academy of Rehabilitative Audiology, as past president.

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Jan Lougeay, MA, CCC/SLP

Director of Clinical Education

As director of clinical education, Ms. Lougeay manages the clinical education for speech-language pathology students through programs designed to provide experiences that will enhance clinical skills in working with specific populations, and provide students with the background and knowledge base to develop as master clinicians. Ms. Lougeay’s research interests center on outcomes in clinical education of students. She also serves as a clinical faculty member in the areas of stuttering, autism, early childhood intervention and voice disorders, and provides continuing education to practicing professionals.

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Jeffrey S. Martin, PhD, CCC/A

Head of Audiology, Clinical Assistant Professor

As head of audiology, Dr. Martin manages the hearing services division and a staff of audiologists who serve children and adults with hearing impairment. Dr. Martin also serves as a clinical assistant professor and conducts research that focuses on behavioral and electrophysiological study of central mechanisms in hearing. Clinical applications of his research revolve around the diagnostic evaluation of individuals suspected of having auditory perceptual problems linked to the central nervous system, conditions often referred to as auditory processing disorders.

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Shanon Patrick

Director of Development

As director of development, Ms. Patrick oversees the fundraising and communications for the center. Ms. Patrick works with the Foundation for the Callier Center board of trustees to strategically engage the community through private funding, grants, special events and communications. Ms. Patrick also manages the execution of the center’s major and annual giving programs, stewardship and outreach.

Shanon Patrick

Donise Pearson, MS, CCC/SLP

Director of Clinical Operations

As director of clinical operations, Ms. Pearson provides administrative oversight for clinical services, ensures implementation of policies and procedures, and serves as the center’s HIPAA privacy officer. She is a speech-language pathologist and a former president of the Texas Speech-Language-Hearing Association. Ms. Pearson received the American Speech-Language-Hearing Association Fellow recognition in 2008, and has worked as a clinician and administrator at Callier since 1989.

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Ross J. Roeser, PhD, CCC/A

Program Head, Audiology AuD
Executive Director Emeritus
Lois & Howard Wolf Professor in Pediatric Hearing

As program head of audiology, Dr. Roeser works closely with the AuD faculty actively seeking innovative ways to provide students with the most comprehensive and advanced learning experiences possible. Dr. Roeser began his career at Callier in 1972 when he was appointed chief of audiology at what was then the Callier Hearing and Speech Center. In 1975, when Callier became a component of UT Dallas, he was appointed assistant professor in communication disorders and is now a full professor. In 1988, he was promoted to executive director of the Callier Center and held the position until 2006. He now holds the Lois and Howard Wolf Professorship in Pediatric Hearing in the graduate program in Communication Disorders. Dr. Roeser is a Fellow of the American Speech-Language-Hearing Association and the American Academy of Audiology. His research interests lie in the application of hearing instrument technology to improve communication.


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Robert Stillman, PhD

Associate Dean, Graduate Studies
Program Head, Communication Sciences and Disorders

As associate dean of graduate studies and program head of communication sciences and disorders, Dr. Stillman oversees the undergraduate, master's, and PhD programs in communication sciences and disorders, and coordinates all of the graduate programs in the School of Behavioral and Brain Sciences. Dr. Stillman’s research relates to the cognitive and interpersonal factors influencing communicative development in children with Autism Spectrum Disorder (ASD) and other severe communication impairments.

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Melissa H. Sweeney, MS, CCC/SLP, LSLS Cert. AVT

Head of Speech-Language Pathology and Cochlear Implant Program Manager

As head of speech-language pathology, Ms. Sweeney manages a team of speech-language pathologists who provide evaluations and innovative treatments for patients with speech, language and feeding/swallowing disorders. As manager of the Cochlear Implant Program, Ms. Sweeney leads a team of audiologists and speech-language pathologists who provide candidacy information, evaluations, and post-surgical follow-up services for children who receive cochlear implants. Ms. Sweeney represents Callier in the Dallas Cochlear Implant program, a collaborative effort of the combined resources of Children’s Medical Center, The University of Texas Southwestern Medical Center and the Callier Center for Communication Disorders. She is responsible for coordinating the services among these institutions. Ms. Sweeney is a certified auditory-verbal therapist, and she specializes in cochlear implantation and hearing impairment.

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