Meet Our Team

We will provide every client with the best quality of care every time, no exceptions! This means we will always becourteousempathicprofessional, and passionate. The epicenter of our success will be education, acceptance, commitment, and progress – our stepping stones towards Positive Change.


Dr. Docter has 33 years of general education and special education experience in both teaching and administration and the last 7 years in graduate education program development and instruction in  Applied Behavior Analysis. She holds a Doctorate in Education,  Master’s in Education, and Credentials in Special Education – Mod/Severe, Regular Ed, and Administration from Pepperdine University. She is also a Board-Certified Behavior Analyst. Her experiences include ABA/BCBA University program development and teaching, school administration for special education schools for children with ASD and other developmental disabilities and challenging behaviors,  and professional development and training both nationally and internationally in assessment and treatment in applied behavior analysis and teaching individuals with ASD.

She has published a book with Wiley and Sons Publications – “Asperger’s Syndrome – A Guide to Helping Your Child Thrive at Home and At School” with Co-author Syed Naqvi MD – Director of Pediatric Psychopharmacology – Cedar Sinai Hospital – Los Angeles and currently has a book pending publication (Routledge – March 2023) “Applied Behavior Analysis in the Classroom: Barriers and Solutions for Effective Treatment.” Dr. Docter is a Fulbright Scholar, previously providing 12 weeks of behavior analytic training in Mykolaiv, Ukraine at Petro Mohyla Black Sea National University.


Marina Karpova is a Clinical Supervisor and has been working in the field of Applied Behavior Analysis for over 7 years in various homes and school settings. Ms. Karpova has obtained her Masters Degree in Educational Psychology and Counseling. Her experience varies with individuals of all ages with diverse emotional, physical, and cognitive needs; providing them with proper guidance and support necessary to achieve their highest potential in areas of academic, personal, and social development. Ms. Karpova is fully committed and determined to advocate for individuals of all needs. She highly believes that every individual, if given the proper guidance, can find a path to their own personal success.


Haydee Lopez has been working as a Clinical Supervisor for over 2 years. She earned her master’s in social work and a bachelor’s in psychology from an accredited university. She started her career in ABA during her undergraduate studies as a behavioral therapist, approximately 15 years ago! She loves and enjoys working in this industry and takes pride in her work and the ability to make changes in children, and individuals lives.  


Cassandra completed her Master’s Degree in Clinical Mental Health Counseling from Argosy University in Denver, Colorado. She then went on to complete her certification in Applied Behavior Analysis at The University of Colorado. She began working for myHHBS as a behavior therapist and went on to become a BCBA and case supervisor in 2016. Cassandra currently supports children with autism and their families, as well as adults with dual-diagnoses. She has always been a nature and animal lover, and in 2019 she completed her Animal-Assisted Therapy and Ecotherapy certifications to better serve clients who visit the animal sanctuary. Cassandra believes that one of the best ways to heal ourselves is by caring for others, and she demonstrates this in her work for myHHBS.

CLINICAL SUPERVISOR, Elizabeth Chavez, M.S. 

My passion for helping others motivated me to pursue an education in Human Services. I received my BA from Cal State Dominguez Hills in 2018. Before graduating I got hired to work for an ABA agency as an in-home Behavioral Therapist. Being in the field for such a short amount of time made me realize I wanted to grow in the field, and I enrolled in a Graduate program with Purdue University. I earned my MS in Psychology with a concentration in ABA in 2020. I have been a Clinical Supervisor for nearly a year and it’s such a rewarding career as we help make a difference in individuals’ lives on a daily basis. My goal is to keep growing in the field; I am currently obtaining my hours to sit for the BCBA exam which I hope to take Fall 2021. I have worked with individuals from 3-35 years old. I have also worked with individuals with a variety of mental disorders such as Schizophrenia, Bipolar Disorder and Depression. 


Thoughtful, client-centered and intuitive clinical supervisor, with over 8 years experience working with individuals with developmental disorders in clinic, school and home settings. Supervisor has extensive knowledge of autism spectrum disorders and evidence-based practices. As well as specialized training in applied behavior analysis and a Master of Arts Degree in clinical psychology. 


Maria Kakosimidi, M.S. is our Clinical Program Supervisor for our center-based location. Mrs. Kakosimidi has been working in the field of Applied Behavior Analysis for the past 5 years. She started off as a Behavior Therapist for 4 years and then got promoted to Clinical Program Supervisor once she earned her masters degree. Mrs. Kakosimidi earned her bachelors and masters degrees in ABA from Purdue University. She is now furthering her education to earn a second masters degree in Psychology.  Her experience ranges from working in home and center settings. She has worked with individuals from 3-12 years of age. Maria arrives to our center with joy and a goal to change kiddos lives. She is always excited to create creative and fun activities for our kiddos and loves to implement them in a child friendly way!


Sabrina has been working in the ABA field for almost 4 years. She has a master’s degree in communication studies with a focus in disability studies from CSULA. She is currently working to become a BCBA through a program from Penn State. When working, Sabrina works to collaborate with family, therapist, and client to achieve best outcomes. Feedback is her favorite word. She has experience working with clients ages 2 ½- 36 years old. With a background in adaptive skills, she is always looking to attain behavior goals while increasing skills to clients can be as independent as possible.


Cesar obtained his Master of Education in 2019 from Arizona State University, he has been in the field of Applied Behavioral Analysis for over 7 years. Cesar has worked with a vast clientele focusing primarily on children and adolescents with intellectual and developmental disabilities in the homes, school, and community. 

For years, Cesar has worked alongside with children and adolescents as a behavioral therapist. Cesar afterwards worked as a supervisor overseeing clientele and therapist from an outside perspective. With the experience gained working in the field of ABA firsthand alongside volunteering in art programs for children in low-income areas, child education programs, and afterschool programs. Cesar now trains new incoming behavioral therapist. Seeing firsthand the areas where some trainings lacked, Cesar has designed a training program that will better assist new incoming therapist to be far better equipped to help their clientele and themselves.  

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BHCOE Accreditation In renewal process

In 2020 myHHBS become accredited with BHCOE, Behavioral Heath Center of Excellence. myHHBS had to go through an audit process against 200 other behavioral agencies to determine center of excellence, and by holding high standards and providing quality service myHHBS was recognized as a Center of Excellence! Read more about it here.

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