Our Team

Melissa Balthazor

Owner / MS, CCC-SLP

Kansas State University

Melissa Balthazor is the owner of Round Rock Children’s Therapy Center. She was born and raised in Baileyville, Kansas. Melissa received her M.S. in Communication Sciences and Disorders, is ASHA certified, and holds a Texas license.

Melissa has many years of experience providing treatment to the pediatric population in public school settings (both at the primary and secondary levels) and pediatric outpatient clinics. Areas of exposure 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 is providing the most current methods of treatment to every client and 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 running, shopping, reading, traveling, gardening and spending time with her husband, Colt, and her two boys, Oliver and Charlie.

Alex Hunley

SLP Intern / MS, CCC-CFY

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

Clinic Manager / 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. She is responsible for the day to day functionality of the clinic and also treats clients with ADHD, developmental delays, visual perceptual difficulties, handwriting, and behavior challenges. She is licensed by the state of Texas.

Briana Villarreal


Texas A&M University Kingsville

Briana received her B.A. in Communication Science and Disorders. She has experience working with both speech and language clients with a broad range of challenges, including articulation, phonological, and oral motor delays and clients diagnosed with Autism Spectrum Disorder. She has been trained in Applied Behavior Analysis, holds a RBT credential, and is licensed as an SLPA by the state of Texas.


Brittney Hammer


Bio coming soon.

Courtney Krebs

Director of HR & Marketing / SLPA

University of Notre Dame and Utah State University

Courtney earned a B.A. of Business and a B.A. of Science. She is responsible for managing the clinic’s HR affairs and executing its marketing initiatives. Her clinical experience is in early language development, pragmatics, articulation and phonological disorders, fluency, and oral motor delays. She is licensed by the state of Texas and is a member of Texas Speech Language Hearing Association.

Danya Weinheimer

Lead 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


Diane was born in the North West of England and has been in America since 2013. She has three children and has volunteered consistently at their primary school. She loves being around children and believes they should be treated with grace and a nurturing hand to become the best they can possibly be.

Emily Kleinjan


Our Lady of the Lake San Antonio

Emily earned her B.A. in Communication Disorders. She enjoys treating clients with a wide range of articulation and phonological disorders as well as non-verbal clients utilizing augmented speech systems such as PECS, Go Talk, Lamp, and Proloquo. She is licensed by the state of Texas and belongs to the National Society of Leadership and Success.

Jaclyn Negro


Southern Illinois University Edwardsville, University of Illinois Springfield, and TWU Houston

Jaclyn received her M.A. of Science in Biology and an M.A. in Occupational Therapy. She has years of experience working with clients of varying diagnoses, including Down Syndrome, Autism Spectrum Disorder, Sensory Processing Disorder, ADHD, ODD, neurological, developmental, coordination disorders, and feeding difficulties. She has additional training in the Handwriting Without Tears program, SOS Approach to Feeding, and has taken a course in pediatric NDT intensive handling techniques. She is NBCOT certified and is licensed by the state of Texas. She is a member of the Austin Junior League, Texas Occupational Therapy Association, and American Occupational Therapy Association.

Lauren Wenzell


California State University of Channel Islands

Lauren holds a BA 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.

Misty Turner-Wade


Ball State University

Misty received her M.A. in Special Education with an emphasis in Applied Behavior Analysis. She also received a certificate in Autism Intervention and is Board Certified as a Behavior Analyst. She has been serving individuals with developmental disabilities for over 20 years teaching functional communication skills and is licensed by the state of Texas. She is a member of the Association of Professional Behavior Analysts, Association for Behavior Analysis International, and the state Texas chapter (TexABA). Additionally, she has presented evidence-based research at several conferences.

Tim Iorio


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


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.