Our Team

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Owner/Director

Serica Cuellar, M.S., BCaBA, LaBA has dedicated her life and career to helping and working with children with special needs.  She has her Master's in Psychology with a concentration in Child and Developmental Psychology, and is currently enrolled in the BCBA certification courses.  Upon completing her BCBA courses, Serica plans on pursuing her Doctorate in Clinical Psychology in order to better support the high demand for diagnostic assessments for young children.  Serica was selected to participate in the Texas Applied Behavior Analysis Advisory Board.   


In addition, since embarking on her mission, Ms. Serica Cuellar has accumulated over 18 years of extensive experience allowing her to establish herself as a leader in her field. Having served in the capacities of Program Coordinator, Assistant Director and Director in organizations specializing in early childhood development, she has accrued a wide-range of knowledge at the managerial level, as well. Her expertise also extends to serving the community as an Early Intervention Specialist. She has worked one-on-one with families in their homes, providing case management, parent training, and identifying child-development milestones for youngsters with developmental delays and/or disabilities. Her dedication to her career has enabled her to hone her skills and focus on children with Autism, as well as those medically diagnosed with other disabilities. Ms. Cuellar provides families with comprehensive knowledge to navigate the many resources available to children with special needs in the San Antonio and surrounding areas. She created A Balanced Child with the goal of continuing to provide ABA services but in the form of a Balanced Plan. The Balanced Plan includes the essential components for a balanced approach in helping children reach their highest potential: ABA Therapy, Group Play, Parent Training, and Case Management while following A Balanced Child Curriculum. 


Serica works 1:1 with children and their parents in clinic, home, and community settings. She provides RBT supervision, parent trainings, and professional trainings.  In addition to providing these services at A Balanced Child, she also assists with the diagnostic assessments at a non-profit clinic. 

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Board Certified Behavior Analyst (BCBA)

Amanda Valdez M.A., BCBA, LABA has had the privilege of helping children with learning differences and their families improve their quality of life for the past 14 years.  After graduating with a Master’s degree in Special Education from the University of Texas at San Antonio in 2004, she found her passion working at a small school for children with Autism when she was introduced to the field of Applied Behavior Analysis. In 2007 Amanda completed her coursework through the University of North Texas to certify her as a Board Certified Behavior Analyst. She has experience working in clinical settings, in home, and doing community based interventions. In addition, for 7 years Amanda served as the BCBA for The Foundation School for Autism, a public charter school, conducting Functional Behavior Analysis, creating Behavior Intervention Plans, and helping the assessment team conduct Full Individual Evaluations. Amanda is thrilled to be a part of the team at A Balanced Child. 


Ms. Amanda works 1:1 with children and their parents.  She also provides parent training, BCaBA and RBT supervision in clinic. 

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Speech Therapist

Our speech therapist earned a BA and MA in Communication Disorders from Our Lady of the Lake University. She holds a current Texas License as a Speech-Language Pathologist and a current Certificate of Clinical Competence in Speech-Language Pathology from the American Speech-Language-Hearing Association. She served over 15 years in the public school system as a Speech-Language Pathologist and a teacher in the Preschool Program for Children with Disabilities (PPCD). She holds a Texas Teacher Certificate in Speech and Hearing Therapy, Language/Learning Disabilities, Early Childhood Education (Exceptional Children), and Kindergarten. After leaving the school setting, she worked for 10 years as a pediatric Speech-Language Pathologist in an Early Childhood Intervention program. During the course of her career, she provided intervention services to children with a variety of special needs, including developmental delays, Autism Spectrum Disorder, ADHD, emotionally disturbed, behavioral problems, auditory impairment, Down syndrome, Sensory Processing Disorder, and learning disabilities. She believes that collaboration among the therapists and professionals providing intervention, along with parent involvement are vital to accomplishing optimal progress for the children receiving services her at the clinic. 

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Certified Special Education Teacher

Kimberly Aguilar, MA, graduated from St. Mary’s University in 2007 with a Bachelor’s degree in Psychology and a minor in English. She started her teaching career working with young children with autism, then ventured off to teach middle school English. Kimberly decided that her heart was working with students with special needs, so she attended Texas A&M San Antonio where she got her Master’s degree in Special Education in 2011. Overall, Kimberly has 11 years of teaching experience in the private and public sectors.


Ms. Kim leads our Classroom Program. 

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Behavior Technician

Sabina Cantu has been a certified teacher for over 14 years. She has a B.A. from Texas Lutheran University and Master's in Education from Texas A&M-Kingsville. She has a teaching certification in General Education EC-4 and in Special Education EC-12. Her teaching experience includes PreK, Kindergarten, 1st grade, and a multi-grade behavior disability classroom. Her experience working with children in varying abilities led her to return school. She has since received an Associates in American Sign Language and is currently enrolled in the ABA program at University of Texas at San Antonio. Sabina is thrilled to be a part of the A Balanced Child team. 

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Behavior Technician

Victoria Cuellar​ ​​completed internship hours at A Balanced Child during the summer of 2016. One year later she returned and was hired as an Assistant Teacher.  Victoria has worked with elementary students, primarily first graders, through volunteering in the school setting and at the Museum of South Texas History.  She is currently enrolled at San Antonio College and in the Registered Behavior Technician (RBT) certification program. She will be furthering her eduction in the nurse practitioner program so that she can support the needs and growth of A Balanced Child. 


Ms. Victoria assists in our group play sessions and works 1:1 with clients under direct supervision of an ABA therapist. 

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Behavior Technician

Iris Lomas B.A., SLP Asst. has 14 years of experience with Early Childhood Intervention as an Early Intervention Specialist and Speech Therapy Assistant.  Currently, Iris is enrolled in Simmons University in pursuit of her Master’s degree in Applied Behavior Analysis.  She joined A Balanced Child's team in January as part of her practicum for her Master’s program.  Her experience includes working with children diagnosed with Autism Spectrum Disorder (ASD) and other developmental delays. Her expertise includes facilitating language and developing age appropriate play skills for children with varying disabilities.  Her passion is helping empower families to assist their child in reaching their maximum potential.  She has worked with families and caregivers in the home, daycare, and clinical settings.  She also has experience with case management, including accessing resources for families. Iris is excited to be a part of A Balanced Child team to help children reach their maximum potential!


Ms. Iris assists in our group play sessions and works 1:1 with clients under direct supervision of an ABA therapist.

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Behavior Technician

Marcus Guillory moved to San Antonio in 2016 to attend UTSA. He is from a small town outside of Houston. He is currently a senior in his undergraduate Psychology degree. He is also minoring in Wellness. By working with children, he is goal is to broaden his understanding of mental and behavioral health. He plans to further his education  by pursuing a graduate degree in clinical psychology and eventually a Ph.D. He goal is become an RBT to further supplement his experience in the ABA field. 


Marcus assists in our group play sessions and works 1:1 with clients under the direct supervision of an ABA therapist.

Employment Opportunities

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Currently, we do not have any positions, however we are always accepting resumes for future positions.