Our Team

Melissa Balthazor

Owner and Clinical Director / MS, CCC-SLP

Kansas State University

Melissa Balthazor is the owner and clinical director of Round Rock Children’s Therapy Center. She is also a practicing SLP who makes time to evaluate and treat clients because she loves it! She was born and raised in Baileyville, Kansas and received her M.S. in Communication Sciences and Disorders. She is ASHA certified and holds a Texas license.

Melissa has many years of clinical experience providing treatment to the pediatric population in public school settings (both at the primary and secondary levels) and pediatric outpatient clinics. Areas of expertise include spectrum disorders (e.g., Autism, Pervasive Developmental Disorder, and Asperger’s Syndrome), Apraxia of Speech, Rett’s Syndrome, Down Syndrome, phonological disorders, fluency disorders (i.e., stuttering), cognitive deficits, cleft lip and palate, and other general speech, language, and oral motor delays.

Additionally, she has attended numerous conferences and workshops to ensure that she and her team continually provide the most current methods of evidence-based treatment to every client. She has completed The Social Thinking Clinical Training Program Level 1-Assessment at Michelle Garcia Winner’s clinic in San Jose, CA, The Lindamood-Bell Phoneme Sequencing Program, and the SOS Approach to Feeding.

In her free time, Melissa enjoys barre, reading, traveling, gardening and spending time with her husband, Colt, and her two boys, Oliver and Charlie.

Alex Hunley


Baylor University

Alex earned her M.S. in Speech-Language Pathology. Her passion is catering to pediatric clients with a wide range of communication disorders including: articulation, phonological, auditory processing, and developmental disorders. In addition, Alex has also worked with clients who have hearing impairments as well as those who use augmented and alternative communication (AAC). She is licensed by the state of Texas.

Brandi Gonzales

Billing Specialist / COTA

University of Eastern New Mexico Roswell and Eastern New Mexico University Portales

Brandi received her Associate of Applied Science in Occupational Therapy and a B.A. in Applied Arts and Sciences. Beyond billing responsibilities, she also treats clients with ADHD, developmental delays, visual perceptual difficulties, handwriting, and behavior challenges. Additionally, she is working towards her M.A. in Occupational Therapy. She is licensed by the state of Texas.


Brittney Hammer


Texas Tech University and Texas State University

Brittney graduated with a Bachelor’s of Science and a Master’s in Communication Disorders. Her clinical experience includes extensive experience in Early Childhood Intervention (birth-3) and a private clinic setting, with a wide range of ages from preschool to high school clients. Brittney’s professional experience includes autism, receptive-expressive language delay, early language acquisition, articulation and phonological disorders, social groups/pragmatics, literacy, and feeding. She is also trained in the Beckman Oral Motor Protocol. She loves making a difference in people’s lives and working with all age ranges. Brittney is driven by the belief that everyone deserves to have a voice and to communicate in a meaningful way. She is ASHA certified and holds a Texas license.


Caroline Hubbard


University of Central Florida

Caroline earned her M.A. in Speech Language Pathology. Her clinical experience has involved working with pediatric clients with various communication disorders including articulation, phonological, auditory processing, fluency disorders, and other language delays. Caroline has experience working with nonverbal children who use augmentative and alternative communication devices(AAC) including PECS, Talktablet, and Tobbi Dynavox(Communicator 5). She is licensed by the state of Texas.

Cheryl Durgin

Behavioral Therapist / MA, BCBA

Heidelberg University

Cheryl has a B.A. in Elementary Education, a M.A. of Education in Curriculum, and is Board Certified as a Behavior Analyst with National Certification. She is also certified as a teacher and principal and has taught in private schools and special education since 1991. Cheryl is passionate about helping all people, no matter their age or skill level, to attain their best life and utilizes research-based techniques, as well as therapy animals, when appropriate, to help enrich the lives of her clients. Cheryl is passionate about the field of Behavior Analysis and loves helping families and practitioners become more skilled in the field. She is licensed and certified in the state of Texas.

Courtney Krebs

Director of HR & Marketing

University of Notre Dame

Courtney earned a B.A. of Business in Marketing with a second major in Anthropology, and later a B.A. of Science in Communication Disorders. She brings her experience working in various facets of advertising and years in private practice to efficiently manage and execute the clinic’s HR affairs, credentialing, and marketing initiatives. Her cross-functional approach to communicating a message effectively is also beneficial in her clinical work. She has implemented a variety of therapy plans for clients, including those which address articulation and language delays, fluency, phonological disorders, and pragmatic deficits as a pediatric SLP-A. She is licensed by the state of Texas.

Danya Weinheimer

Senior Speech Therapist / MS, CCC-SLP

Texas Tech University and Abilene Christian University

Danya earned her M.S. in Speech Language Pathology and has extensive experience treating a variety of children with different diagnosis that include: spectrum disorders (ie: Autism, Pervasive Developmental Disorder, and Asperger’s syndrome) Apraxia of Speech, phonological and fluency disorders, cognitive deficits, accent modifications and other delays. She also leads therapy sessions for social thinking groups of all ages that include training through Social Thinking Curriculum by Michelle Garcia Winner. She utilizes the Sequential Oral Sensory (SOS) approach program for problematic feeding behaviors to address feeding challenges with clients. She is ASHA certified and holds a Texas license.


Diane Holliday

Scheduling Coordinator

Diane was born in the North West of England and has been in America since 2013. She has three children and has volunteered consistently while also managing the hectic schedules of corporate executives. She effortlessly maintains a high level of detail and sense of humor in her work, and loves being a point of contact between families and therapists to better the lives of children.

Gina Rodriguez


University of Texas at Austin

Gina graduated with her B.A. in Communication Disorders. She has worked at various locations including schools, home health and clinical settings for the past ten years. She is especially interested in special needs (autism, down syndrome), articulation therapy, language therapy, augmented and alternative communication (AAC) and pragmatics. She is licensed by the state of Texas.

Janice Broad

Clinic Care Coordinator / Registered Behavior Technician

Cincinnati Christian University

Janice graduated with a B.A. in Music and has over three years of clinical ABA experience. Her clinical background includes 2.5 years of direct Applied Behavioral Analysis training from one of the first dually certified BCBA/SLP’s in Indiana. She has extensive training in applying OT, Speech, and ABA together. She was the Clinic Care Coordinator for one of the most sought after ABA clinics in Indiana. She recently moved with her family to Austin, TX where she has continued her clinical ABA experience in early intervention. She has worked with clients of both high and low functioning and has utilized alternative functional communication skills using options such as PECS, Lamp, and Proloque. She also has worked with clients with medical needs such as blindness, G-tube feedings, and seizures. Janice is credentialed as a RBT in the state of Texas.

Jehangir Khan

Registered Behavior Technician

St. Edwards’ University

Jehangir received his BA in Psychology with a minor in Sociology. He has enjoyed working with children with special needs since 2013 and is currently pursuing his BCaBa certification from Clemson’s Center for Behavior Analysis to gain further knowledge in the field in the hopes of helping even more children in the future. Jehangir is credentialed as a RBT in the state of Texas.

Jessica Harrington


Bryant and Stratton College

Jessica received her Associate of Applied Science in Occupational Therapy in Syracuse, NY. She has had clinical experience with kids and adults throughout the life span. Her pediatric clinical experience includes kids with autism, developmental disabilities, down syndrome, ODD, psychosocial disabilities, and more. She is especially interested in working with kids with special needs, developmental delays, fine motor and gross motor delays, and handwriting. Jessica is NBCOT certified and licensed by the state of Texas.

Lauren Wenzell

Registered Behavior Technician

California State University of Channel Islands

Lauren holds a B.A. in psychology and has over seven years experience working with children and adolescents with special needs, including those on the autism spectrum. She has worked with both low and high functioning clients and has utilized augmentative and alternative communication options such as lamp, Proloque, PECS, and letter boards to further their skills as needed. Lauren is credentialed as a RBT in the state of Texas.

Lisa Lee

Behavioral Therapist / MA, BCBA

University of South Florida

Lisa has been working in various settings for several years including research labs, schools, clinics, homes, communities, and group homes, where she served clients between the ages of 1-30 with various complex diagnoses. While working towards her bachelors degree at the University of Florida, she collected and calculated data for various functional analyses as a research assistant for labs and clinics under the renowned Dr. Brian Iwata and Dr. Timothy Vollmer. Lisa has seen how various ABA techniques have enriched the lives of her clients and enjoys not only teaching others about the field, but also furthering her own knowledge with continued education. She is licensed by the State of Texas.

Preston Ruland

Occupational Therapist / MOT, OTR

University of Texas and Texas Tech University

Preston graduated with a B.S. in Biology and a M.A. in Occupational Therapy. He has experience working with children with developmental disabilities, autism spectrum and sensory processing disorders, as well as other individuals throughout the lifespan. He is NBCOT certified and licensed in the state of Texas.


Rebecca Saye

Occupational Therapist / MOT, OTR

Medical College of Georgia

Rebecca graduated with a M.A. in Occupational Therapy. Prior to attending graduate school, Rebecca worked at many camps for kids and young adults with special needs. She has worked in a variety of settings as an OT including adult acute care and inpatient rehab, pediatric outpatient, and pediatric home health. Rebecca is NBCOT certified and licensed by the state of Texas..


Shannon McGrath

Registered Behavior Technician

University of Albany, New York

Shannon received her B.A. in Psychology with a minor in Education. She enjoys working with children and adolescents with special needs, and has a special interest with helping those on the autism spectrum. She has worked in a variety of locations including in home, school, and clinical settings for several years. Shannon is credentialed as an RBT in the state of Texas.


Tim Iorio

Senior Registered Behavior Technician

University of Southern Indiana

Tim attained his B.S. in Psychology with a minor in Cognitive Science. He has worked with both geriatric and pediatric populations to improve the lives of individuals and their families. He is trained in Applied Behavior Analysis and utilizes this systematic approach to learning during therapy. Tim is credentialed as a RBT in the state of Texas.

Una Buck

Senior Occupational Therapist / MOT, OTR

University of New Mexico

Una graduated with an M.A. in Occupational Therapy. She has extensive experience treating children with motor and perceptual delays, developmental delays, and sensory processing disorders. She is also a member of AOTA and has specialized training in Handwriting Without Tears, Therapeutic Listening, Beckman Oral Motor, and SOS Approach to Feeding-Advanced Feeding Courses. She is NBCOT certified and is licensed by the state of Texas.