Therapy At The Zone’s Dedicated Staff

Our dedicated staff is composed of a friendly team of professionals with well-rounded educational backgrounds, and array of certifications, and extensive experience in their fields of study. Our philosophy on therapeutic success is based on treating the client with direct collaboration with parents, teachers, and other impactful professionals and family members. Functional goals devised by the client and their family members are integrated into the therapeutic goals set forth by the assigned therapist. We utilize evidence-based therapeutic processes along with innovative clinical techniques to treat the “whole” client.

Angie Brown

Angie Brown M.S. CCC-SLP

Angie Brown received her Masters of Science Degree in Communication Disorders from Lamar University and Bachelor of Arts degree in Communication Disorders from University of Texas in Austin. She has been a Speech-Language Pathologist for over 25 years, is ASHA certified, and licensed in Texas.

During her career, Angie has worked with both adults and children with a wide variety of difficulties such as Articulation and Language Impairments, Autism, Developmental Disability, ADHD, Adult and Pediatric Dysphagia (difficulty with swallowing and feeding), Auditory and Language Processing Disorders, Learning Disabilities, Verbal Dyspraxia, Dysarthria, Stroke, Brain Injury, Head and Neck Cancer, and Voice Disorders. Her work experience includes University Hospital in San Antonio, Baylor College of Medicine at Ben Taub Hospital in Houston, Young Learners Program through Houston Independent School District, Evaluator for Early Childhood Intervention through Easter Seals and Clinical Educator at University of Houston Graduate Department. She has been in private practice for 7 years.


Louise Horst

Louise Horst

Louise Horst received her Masters in Physical Therapy from the University of Alabama in Birmingham in 1979. Her early career focused on children and adults who had spinal cord or traumatic brain injuries. She has worked exclusively with children with neuro-motor and sensory-motor difficulties since 1983.

She has a long list of continuing education study. A partial list of topics includes: NDT certified, NDT baby certified, private study with Regi Boehme OTR, Myofacial Release, Kinesiotaping, LE Function, Gait courses, Strength Training and Endurance, Spasticity Management, Motor Control Theory, Sensory Integration and Regulation courses, Specific Vestibular and Auditory processing classes, Handwriting Programs, Interactive Metronome and iLs.


Monique Manning, OTR PLLC

Monique Manning, OTR PLLC

Monique Manning received a Degree in Occupational Therapy from Texas Woman’s University in 1998. She began her professional career at M.D. Anderson Cancer Center and Texas Children’s Hospital before moving into home healthcare and private practice.

She has extensive experience as an Occupational Therapist in a variety of settings, including in-patient and outpatient pediatrics, neonatal intensive care, home healthcare, school-based pediatrics and private practice. Her areas of expertise include Sensory Integration Dysfunction or SIPT Certified, Therapeutic listening, as well being certified in The Listening Program and Handwriting Without Tears.


Melissa Zilich, OTR, M.O.T.

Melissa Zilich, OTR, M.O.T.

Melissa Zilich received a Masters of Occupational Therapy (M.O.T.) degree from Texas Woman’s University in 1999. She gained experience working in both the acute care and outpatient settings of Texas Children’s Hospital and achieved Physical Medicine and Rehabilitation competencies for Neonatal Intensive Care Unit (NICU) and wound care standards. She has worked with the fragile infant population in the NICU at the Feeding Disorders Clinic and with children with ASD (autism spectrum disorders), sensory processing disorders, dysgraphia, attention disorders and various developmental and physical disabilities.

She is trained in DIR®/Floortime™ and is a Certified Provider of TLP-The Listening Program® and iLs™ – Integrated Listening Systems, and is a member of both the AOTA and TOTA.


Laura Mitchell

Laura Mitchell

Laura Mitchell graduated with honors while receiving her Master of Occupational Therapy degree from Nova Southeastern University in Fort Lauderdale, Florida in 2014, after first obtaining her Bachelor of Science degree in Kinesiology from LSU in Baton Rouge, Louisiana in 2011. She has a special interest and love for treating children with developmental delays, fine motor delays, sensory processing issues, and difficulties with self-help skills. She has a variety of experience providing services to toddlers, children, and youth and their families in different settings including schools, clinics, and homes. Laura is certified in the Integrated Listening Systems program designed to foster coordination and attention improvements through the use of movement activities. Her areas of interests include sensory processing, handwriting, gross and fine motor delays along with academic success!

Laura is dedicated to helping children reach their full potential by learning new skills through play, sensory input, meaningful activity, and their own imagination!


Ashlea Stuart

Ashlea Stuart, M.A., CCC-SLP

Ashlea Stuart, M.A., CCC-SLP, is a licensed and certified Speech-Language Pathologist. She received her undergraduate degree from The University of Texas at Austin and her graduate degree from The University of Houston in the field of Communication Disorders. Ashlea is a member of the Texas Speech-Language-Hearing Association (TSHA) and the American Speech-Language-Hearing Association (ASHA). She has experience in early childhood intervention as well as individuals ages birth to 21. In addition to working in a private practice, Ashlea currently works for a public-school district (since 2001).

Ashlea has experience in the following areas of evaluation and treatment: articulation disorder, expressive and receptive language disorders, phonological disorders, Autism Spectrum disorders, intellectual disability, hearing impairment, childhood apraxia of speech, fluency, Down Syndrome, Cerebral Palsy, processing disorders, as well as oral motor disorders.


Pamela Levy Diebner

Pamela Levy Diebner, M.S., CCC/SLP

Pamela Levy Diebner, M.S., CCC/SLP received her undergraduate degree in Speech/Language Pathology and Audiology from the University of Texas in Austin in 1992 and her Master’s Degree in Speech/Language Pathology from Lamar University in 1994. She began her professional career working in deaf education in Goose Creek and Pasadena ISDs, as well as a part of a Houston cochlear implant team before moving into more traditional public school settings. She started her own private practice 13 years ago. She has also worked as a Clinical Supervisor at the University of Houston Speech, Language and Hearing Clinic where she trained graduate students in diagnostics and preschool language group therapies.

Pam has worked as a speech/language pathologist for 25 years. Her speciality is developing language of young children, as well as, working with school age students. She has had years of experience with students with a variety of syndromes, autism, hearing impairment, oral motor weaknesses/apraxia, sensory integration disorders, feeding issues, behavioral issues, social/pragmatics difficulties, and articulation disorders. Pam believes a team approach is necessary when treating a child. Her philosophy is that parents, caregivers and teachers should all be trained in order to help children generalize skills throughout all areas of their lives.


Murphy Sylvester

Murphy Sylvester

Murphy received her BS in Communication Sciences and Disorders and her Master of Arts in Speech-Language Pathology from the University of Houston. She has previous clinical practicum experience in public schools and private practice settings serving children with developmental disorders affecting speech, language, and social communication. Additional experience in hospital settings serving adults in critical care units.

She has special interest in working with children who are autistic, non verbal or have social pragmatic disorders. Murphy’s goal is to serve the child as a whole rather than just the disability.

Specifically, working in tandem with caregiver, teacher, and a therapeutic team. Murphy enjoys speaking at educational seminars. Murphy strives to increase parent education and incorporate therapeutic strategies in the home and classroom.

She is grateful for the opportunity to continue creating meaningful connections with the clients as a Speech-Language Pathologist at Therapy at The Zone.


Kelly Tobey, M.A., CCC-SLP

Kelly Tobey, M.A., CCC-SLP

Kelly received her Masters of Arts Degree in Communications Sciences and Disorders as well as her Masters of Business Administration from the University of Houston. She received a Bachelor of Science Degree in Management from the U.S. Coast Guard Academy and is a proud veteran of the U.S. Coast Guard. Kelly holds a certificate of clinical competency from the American Speech Language and Hearing Association and is licensed by the state of Texas.

Kelly has experience working in pediatric settings with expressive and receptive language disorders and delays, articulation and phonological disorders and delays, hearing impairment, fluency, stuttering, and autism, as well as nonverbal, pragmatic and social concerns.