Our Trainers

Cindy Halloran, OTR/L


Cindy Halloran, an occupational therapist, is the Director of The Center for AAC & Autism.

She obtained a Bachelor of Science from the University of Central Arkansas and has over 25 years’ experience working exclusively in the field of pediatrics, receiving additional training in the area of sensory integration and neurodevelopmental treatment. She has worked in school, residential, home health and private clinic settings; was co-owner of Integrated Therapy for Kids, a private clinic in North Little Rock; and has served as the therapy department head for Arkansas Easter Seals and Riverdale Academy. She has a wealth of experience treating children with autism and was co-developer of the Language Acquisition through Motor Planning approach.

Cindy maintains membership in the American Occupational Therapy Association.


John D Halloran, M.S., CCC-SLP

John Halloran, a speech-language pathologist, is the Senior Clinical Associate for The Center for AAC and Autism.

John has worked in the field of AAC since 1994 and is co-author of the Language Acquisition through Motor Planning approach. He has a special interest in children who are challenged by severe physical or cognitive disabilities. He also finds much reward in exploring ways to best implement assistive technology with children who have autism.

John graduated from the University of Arkansas at Little Rock in 1990 with a bachelor's degree in Communication Disorders. He received his master’s in Communicative Disorders from the University of Arkansas for Medical Sciences in 1992. After graduation, he worked at Arkansas Easter Seals Rehabilitation Center, specializing in assistive technology. He has also owned a pediatric therapy clinic and after-school care for children with disabilities. He teaches augmentative communication at the University of Arkansas for Medical Sciences.

John maintains membership in several professional organizations, including the American Speech Language Hearing Association and the Arkansas Speech Language Hearing Association. He has presented extensively in the United States and internationally.


Christine Grubbs, M.S., CCC-SLP

Christine received her undergraduate and graduate degrees from Clarion University of Pennsylvania, and worked as a speech pathologist in the Pennsylvania public school system for 21 years. She has worked extensively with communication disorders in students K-12, including children with Autism Spectrum Disorders, AAC and multiple disabilities.

Christine is passionate about communication especially in persons with autism. She consults with individuals and families in Northwestern Pennsylvania.

Christine is a member of the American Speech Language Hearing Association, the Pennsylvania Speech and Hearing Association and NEA-retired.


Teresa Parrill, M.S., CCC-SLP

Teresa Parrill is a speech-language pathologist employed as the Project Manager in the Infant Communication Lab at the University of Nebraska-Lincoln. She has been in this position since a move to the Omaha/Lincoln area with her family in 2014. In this position she conducts research with children in various stages of infancy to determine warning signals for difficulties with speech, language and social communication in later ages.

Before moving from Colorado she spent much of her 15-year career working in early intervention specializing in augmentative communication and autism. She worked closely with families to provide AAC services to children with complex speech and language needs ages up to the age of 20. Teresa has also worked with The Center for AAC & Autism as a LAMP™ Trainer since 2008.

Teresa received her undergraduate degree from the University of Northern Iowa in 1995 and her master’s degree from the University of Nebraska-Lincoln in 1997. She maintains her certificate of clinical competence from the American Speech and Hearing Association as well as her Nebraska state license. Teresa is dedicated to providing quality speech and language services to children and families across the country.


Lindsey Paden Cargill, M.A., CCC-SLP

Lindsey is a speech-language pathologist and the Therapy Manager at Bridgeway Academy, an education and therapy center for children with Autism Spectrum Disorders in Columbus, Ohio.

Lindsey received her bachelor's and master's degrees at the University of Florida, and has worked with children with Autism Spectrum Disorders, cleft palate/craniofacial anomalies, hearing impairments, cerebral palsy, TBI and global delays in out-patient clinics, school-based settings and in the home. She is enthusiastic about applying research and best practices to the facilitation of language development through Augmentative and Alternative Communication. Lindsey has extensive presenting experience at many national and international conferences in the United States and United Kingdom. She maintains membership in the American Speech-Language Hearing Association and with the Ohio Board of Speech-Language Pathology and Audiology.


Janie Cirlot-New, M.S., CCC-SLP

Janie is the Director of the T.K. Martin Center for Technology and Disability at Mississippi State University.

She has a Master's Degree in Speech Pathology from the University of South Alabama and holds the Certificate of Clinical Competence from the American Speech Language Hearing Association. Janie is licensed as a Speech Language Pathologist in the state of Mississippi, and has provided augmentative and alternative communication services to individuals of all ages. She developed the augmentative and alternative communication evaluation and training program at the T.K. Martin Center and continues to provide evaluations, intervention and training in the area of augmentative communication. Janie has also served as principal investigator on a U.S. Department of Education funded project to assist local education agency teams in utilizing assistive technology to allow students access to the general curriculum and to improve literacy skills of students with expressive communication disorders.


Julie Butterworth, MCD, CCC-SLP, BCBA

Julie Butterworth is a Board Certified Behavior Analyst and a licensed Speech-Language Pathologist. She holds a Bachelor's of Science and Master's degree in communicative disorders from Arkansas State University in Jonesboro, AR. Julie completed her certification process for behavior analysis through Florida Institute of Technology and received certification from the Behavior Analysis Certification Board in 2011. She is currently a Behavior Support Specialist at Crowley’s Ridge Educational Cooperative in Harrisburg, AR. Julie has been involved in working with children with autism spectrum disorders implementing LAMP strategies for many years, and is very passionate about her work and the children she serves. Julie has been fortunate to be in many different settings such as early intervention, home, school, private school and clinical. She has had the unique opportunity to follow several children using AAC for many years, allowing her to share the difficulties and triumphs along the way.


Amy Bereiter, M.S., CCC-SLP, ATP

Amy Bereiter received her Bachelor's degree in Communication Disorders from the University of Kentucky and her Master's Degree in Speech-Language Pathology from the University of Redlands.

She has been a speech-language pathologist since 2004, working with toddlers through young adults, and has worked in a wide range of settings including in-home early intervention, early childhood special education, elementary self-contained programs, pediatric rehabilitation units, university clinic and private practice. In addition, she has developed AAC evaluation teams at several sites. Prior to relocating to Virginia in 2015, Amy was a full-time Clinical Assistant Professor in the speech-language pathology graduate program at Northern Illinois University. Currently, she is a full-time SLP at a LAMP Center of Excellence in Northern Virginia.

Amy specializes in Augmentative/Alternative Communication (AAC) and working with children who exhibit complex communication needs. She has worked extensively with occupational therapists and other related professionals to best understand and treat children with sensory processing disorder, visual impairments and motor impairments. She works closely with families to educate, train and support implementation of AAC in the home environment, and has led support groups for parents of AAC users. She also collaborates with and trains school teams in regards to language development and implementation of AAC in the educational setting. She has experience presenting locally and regionally to SLPs, teachers and assistants, occupational therapists and other assistive technology professionals. She also co-developed and taught a graduate course on AAC, and has guest lectured in undergraduate and graduate level courses on numerous occasions. Amy is an active member of the American Speech Language Hearing Association (ASHA). Her involvement with ASHA includes serving on its Special Interest Group 12 (AAC) Professional Development Committee.


Becca Hoke, M.A., CCC-SLP

Becca Hoke received her Bachelor's degree in Communication Disorders from Kutztown University and her Master's Degree in Speech-Language Pathology from West Chester University.

She has been a speech-language pathologist since 2003. Previously she worked with preschool children to young adults in a range of school settings in the Pennsylvania school system, but primarily in self-contained programs for students with intellectual disabilities, autism and physical disabilities. Recently she was a full-time SLP at a LAMP Center of Excellence in South Central Pennsylvania.

Becca specializes in Augmentative and Alternative Communication (AAC), working with children who have complex communication needs. In addition to providing direct services to students, she has worked as an AAC consultant within the school setting, collaborating with and training educational teams to select and implement AAC in the educational environment. She has experience presenting locally and regionally to SLPs, teachers and assistants and occupational therapists.

Becca maintains membership in the American Speech Language Hearing Association.


Stefanie Olson, M.S., CCC-SLP

Stefanie Olson is a speech-language pathologist (SLP) working as the Assistive Technology Specialist at the Little Light House, a Christian, developmental preschool for children with disabilities and LAMP Center of Excellence located in Tulsa, OK.

Stefanie received her bachelors' and master’s degrees at the University of Tulsa, and has worked primarily with individuals with significant and/or multiple disabilities for the past 19 years.

She previously worked at the Oklahoma Assistive Technology Center, University of Oklahoma Health Sciences Center, as the program director of a statewide contract with the Oklahoma State Department of Education providing assistive technology evaluations, consultations and professional trainings. Stefanie has also worked as a special education teacher, clinical, school and early intervention based speech-language pathologist, contract SLP providing AAC intervention services in an adult residential facility for individuals with developmental disabilities, and as an adjunct professor at Oklahoma State University teaching their graduate level AAC class.

Stefanie has experience presenting at the local, state and national level on a variety of topics related to AT and AAC. She is passionate about helping parents, teachers, and other service providers acquire the knowledge they need to best serve the children in their care. She maintains membership in the American Speech-Language Hearing Association and with the Oklahoma Medical Licensure Board of Speech-Language Pathology and Audiology.


Peter Hockley

Peter Hockley graduated from Speech Pathology at Sydney University in 2000, and completed a Masters of Applied Linguistics in 2017. He has worked in Tasmania, the Northern Territory in Australia and the United Kingdom. He is currently a senior Speech Pathologist in the Department of Education based in Hobart, Tasmania.

Peter is passionate about supporting children, adolescents and adults to use AAC, and providing customized AAC training for families and schools. Peter is a member of Speech Pathology Australia and AGOSCI.