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.


Adriana Kawamura

Registered Behavior Technician

Texas A&M University-Kingsville

Adriana earned her Bachelor’s of Science in Communication Sciences and Disorders with a minor in Psychology at Texas A&M University-Kingsville. She became interested in the field of applied behavior analysis and is now certified as a registered behavior technician. She is also currently enrolled at Arizona State University to pursue a BCBA certification. Adriana has experience working with toddlers to school age children, ranging from low to high functioning autism. She has worked collaboratively with speech therapists, occupational therapists, and schools/development centers. She has also provided therapy in a variety of environments: school, in-home, clinic, and in the community. Adriana is credentialed as a RBT in the state of Texas.


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.


April Segovia Bratton

Behavior Analyst / M.Ed., BCBA, LBA

Bio coming soon.


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.


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.


Dian Davis

Registered Behavior Technician

University of North Texas and Arizona State University

Dian earned her Bachelors of Arts in Psychology from the University of North Texas. She has worked in the field for four years with kid’s ages from 2-18 years old. In her previous roles she provided services in a variety of settings, including schools, homes, clinic and community outings. Dian has collaborated with speech pathologists, behavior analysts, teachers, and child psychologists. She has completed her masters in ABA from Arizona State University and is currently in pursuit of her BCBA credentials to widen her efforts to assist children on the spectrum.


Diane Holliday

Patient Specialist

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.


Emily Pabon Cruz

Behavior Analyst / Psy.D., BCBA, LBA

Ponce School of Medicine and Health Sciences

Emily Pabon-Cruz was born and raised in Puerto Rico. She graduated from Ponce School of Medicine and Health Sciences with a Doctoral degree in Clinical Psychology and obtained her Permanent Psychologist license in Puerto Rico in 2012. She spent part of her internship conducting diagnostic and neuropsychological evaluations and therapy in an Autism Center. In 2015, she moved to Texas and began working in an Autism Center while completing the ABA Certification. She also gained experience working for the state, providing behavioral services to adults with Intellectual Disabilities. In 2018, Emily decided to further her education in ABA and become a licensed BCBA. She’ll continue growing as she works towards becoming a licensed Clinical Psychologist in Texas. Working with children diagnosed with Autism and other developmental disorders is one of her passions and her professional goal is to provide a variety of services to help improve their quality of life.


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.


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.


Katia Gonzalez Quiroga

Lead Behavior Analyst / M.Ed., BCBA, LBA

University of San Diego and University of Texas at Austin

Katia was born and raised in Monterrey, Mexico. She received her Bachelor’s degree in Psychology from the University of San Diego and her Master’s degree in Early Childhood Special Education from the University of Texas at Austin. Her professional work in the classroom led her to the study of autism and developmental disorders and she was then inspired to earn her BCBA certification and Multiple Subject Teaching Credential. Katia’s longstanding passion for helping children reach their full potential also ensures their families feel supported as well. Her areas of interest in the field include challenging behaviors, language development, and personal independence.


Laura Pruett

Registered Behavior Technician

Seminole State College

Laura received her Associate of Arts degree and has been working with children of all ages, including infants, for over 22 years. Her experience as a General Education teacher allowed her to work and learn alongside speech, OT, and BCBAs and she is excited to utilize her RBT credential at RRCTC. She is credentialed as a RBT in 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.



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.