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About Us

Advanced Behavioral Solutions, LLC (ABS) is a behavioral health company that specializes in intensive behavioral therapy that includes evidence-based procedures derived from the science of Applied Behavior Analysis (ABA).Our goal is to help children to improve their functional skills and adapt to their environment, so they can reach their full potential. Each child receives therapeutic programs that are comprehensive and individualized to ensure effectiveness and optimal progress based on their needs.ABS is dedicated to abiding by the ethical standards outlined by the Behavior Analyst Certification Board (BACB).

Meet the Team

Mia Dianda, MS, BCBA, LBA

Mia Dianda, director and owner of Advanced Behavioral Solutions, LLC, is a Board-Certified Behavior Analyst (BCBA) and is a Licensed Behavior Analyst (LBA) in the state of Oklahoma. Mia has been working in the field of special education, ABA, and autism since 2000. She also was a special educator for 8 years in the state of California.She has a wide range of experience working with children along the autism spectrum and has worked with individuals ranging in age from 2 to 16 privately and both in clinical and educational settings.Her expertise includes functional behavior assessments, program development, data collection and analysis, parent and professional training, discrete trial instruction, applying verbal behavior methodologies into programming, conducting social groups, classroom management, and functional communication training.

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She is an active member of the Association of Behavior Analysis International (ABAI), Texas Association of Behavior Analysis (TxABA), Association of Professional Behavior Analysts (APBA), as well as the Verbal Behavior Special Interest Group (VB SIG).


Susan Rada BS, BCABA

Susan Rada is one of the Clinical Supervisors at Advanced Behavioral Solutions. She received a Bachelor of Science in Psychology from the University of Central Arkansas in 2015. Shortly after graduating from UCA, she began studying and practicing Applied Behavior Analysis under the supervision of Mia Dianda. In 2018, she passed and received her certification as a Board Certified Assistant Behavior Analyst (BCABA). She plans to continue practicing ABA therapy with children, earn a Masters in the field and work towards becoming a Board Certified Behavior Analyst. When she isn’t working, Susan enjoys watching live music, skiing, camping and watching Netflix with her dog.

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Erica Brown, RBT

Erica Brown is one of the Clinical Supervisors at Advanced Behavioral Solutions. Dedicated to improving the lives of everyone she works with, Erica joined the team in 2018. Her passion to help others became the most successful after owning a martial arts school for 20 years and instructing children and adults to now working one on one with children and teens to make their lives more fulfilled. 

Under the leadership of Mia Dianda, Erica has gained the knowledge to work as an RBT in the office and in homes of children and teens, offering them the ability to become more independent and confident in their daily lives as they grow. 

She, her husband, Chad, and her son, Elias live in Edmond, OK with their 2 dogs, Auggie and Lady. They enjoy staying active in Crossfit and running, as well as watching and re-watching Marvel and Star Wars movies together during their down time. 

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Kya Barnes, RBT

My name is Kya Barnes and I’ve worked for Advanced Behavioral Solutions for over a year and I’ve loved it every second! I have amazing coworkers who help me become better, hold me accountable, and are always there when I need them! The best part about my job is the bonding time Mia incorporates for us. We have monthly team meetings, holiday parties, and more! We stand firm in being a family and having a strong relationship with one another! That’s what makes this company so special! Knowing that we matter! Outside of ABA, in my free time,  I enjoy making jewelry and spending time with my children! I have taken many things that I’ve learned in ABA and applied them to my everyday life and with my children! This job has made me a better person and a better mother!

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Andrea Kulessa

Hello! My name is Andrea Kulessa, I am currently a Behavior Technician working to obtain my RBT (Registered Behavior Technician) here at the amazing Advanced Behavioral Solutions! Helping children has always had a special place in my heart and they have been my calling and passion since I can remember. Ensuring that helping children through all walks of life and turning that passion into a career has been my drive to succeed in college. It was not until I started working at Advanced Behavioral Solutions that I became aware and interested in the field of ABA therapy and I am so glad that I did. Everyday I enjoy getting to experience the unique imagination of the children I work with, the love they make me feel, and how personally rewarding it is to work with and make a positive change in non-typical children and their families lives. I have already obtained my Associates degree and I am currently finishing up my Bachelor’s in Psychology at Mid-America Christian University. I plan to further continue my education after obtaining my Bachelor’s degree. When I am not at work or doing homework, I play a lot of soccer and enjoy spending my free time with my family, friends, and animals!

“Three things in life matter- Your health, your mission, and the people you love. That’s it.” -Naval Ravikant

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Madison Francis, RBT

Hi! My name is Madison Francis. My passion for children developed at a young age. I always knew I wanted to work within this field. I went to school for early childcare and  worked at a daycare while attending a University. Before moving into this position, I was a nanny for three years. I love working with kids, watching them as they grow and flourish. ABA has helped expand my love and knowledge for children, as well as help me grow as a person. I am so proud to be a part of this company!

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Makenzie Hill, RBT

My name is Makenzie Hill and I’m a Registered Behavior Technician (RBT) at Advanced Behavioral Solutions! I have had a passion for autism since my cousin Carter was diagnosed and have always been interested in ABA therapy. Seeing how it changed his life made me want to be a part of that for other children! I’m currently a student at the University of Central Oklahoma and am pursuing an education track to get my BCBA. Outside of work and school, I love being with my family and my dogs!

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Amelia Patterson, M.Ed

Amelia Patterson joined the ABS staff in June 2020, as a part-time employee. She plans to complete her RBT certification in March 2021. She is a full time PreK teacher at Santa Fe South Early Childhood Center. Amelia received her Masters in Education in 2016, from the University of Central Oklahoma. She graduated from St. Gregory’s University in 2008, with a Bachelor of Arts. Amelia has a passion for children and loves to see them grow and succeed. In her free time, she simply enjoys time with family and friends. 

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Aisha Hasanjee BS, RBT

Hello, my name is Aisha Hasanjee and I have been working as a Registered Behavior Technician (RBT) at Advanced Behavioral Solutions for three years now. I received my Bachelor of Science in Speech-Language Pathology from the University of Central Oklahoma in 2019. Currently, I am completing Master of Science in Speech-Language Pathology from the University of Central Oklahoma as well. I have always had a passion for working with children as I nannied throughout high school and helped my mother who worked with special needs children. In the future, I plan to continue working with the pediatric population teaching children with communication difficulties.  During my free time, I enjoy reading, running, hanging out with friends, trying new coffee shops, and shopping!

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Kaylee Myers

Hello! My name is Kaylee Myers, I am currently working as a Behavior Technician  at Advanced Behavioral Solutions! I have worked with children for as long as I can remember, and it has always been a passion of mine. I love knowing that my work will make a positive impact on their lives and help each of them grow individually. Everyday ABA opens my mind to new and different things, and it is truly so rewarding! I am finishing up my Bachelor’s Degree this year in Business Management-Human Resources and will hopefully have my own daycare one day! In my free time I enjoy playing soccer, babysitting my niece, and spending time with friends and family!

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Vicky Justin, CNA

For the past 25 year I have worked with elderly patients with dementia. It is a job that I am passionate about. It has always been my passion in life to help other and make a difference in my community, I recently had the opportunity to learn of the great need to help children with disabilities to became independent and have a voice in society. Seeing the determination and hard work of the kids makes this work rewarding! When I’m not working I enjoy spending time with my family, reading and baking.

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Regina Williams

My name is Regina Williams and I have been with Advanced Behavioral Solutions since October 2020. I am so blessed to part of such a wonderful team that supports you and treats you like family. I am currently a Behavior Technician working to become a Registered Behavior Technician. I cannot wait to expand my knowledge and apply it daily to my clients. My passion for autism came from my best friends daughter that was diagnosed with Autism at age 4. I wanted to be able to learn and grow so I could help her succeed in every way possible. It has been such an amazing journey and it has only just begun. Along with being an Behavior Technician, I am also an 18 year veteran in the Dental field and work as a Dental Assistant/ Community Dental Health Coordinator for a medical/dental clinic in South Central Oklahoma. I recieved my RBT training through The Autism Partnership Foundation and my Dental licensing from the University of Oklahoma College of Dentistry. I am a devoted wife, mom to 4, and live in Ada, Oklahoma. In my spare time we spend it at the lake with family making memories, playing board games, and enjoying life.

About Regina Williams