Meet the CLASS Board Certified Behavior Analysts (BCBA's)

Matt Williams

Matthew graduated from Middle Tennessee State University with a Bachelor’s of Science in Psychology. He then worked at a clinic in Nashville TN as a behavior therapist before getting his Masters of Science in Applied Behavior Analysis at Auburn University. After becoming a Board Certified Behavior Analyst, he has worked for The Office of Child Welfare in the Alabama Department of Human Services, a regional company providing in-home therapy to children with autism, and the Marcus Autism Center in Atlanta GA. He met his wife Rebecca, a Tulsa native, at Auburn and moved back to Tulsa to open the Center for Language and Autism Support Services (CLASS). He enjoys supervising and training other clinicians and consulting in schools throughout Oklahoma. He currently serves on the Oklahoma Licensed Behavior Analyst Board and the Oklahoma Association for Applied Behavior Analysis

Lynsey Garrett

Lynsey is a BCBA who has worked with individuals with disabilities of all developmental levels and backgrounds for over 5 years. She earned her Masters degree in Psychology with an emphasis in Applied Behavioral Analysis from Capella University in December of 2019. Over the years she has gained experience working in a school, home, clinic, and vocational setting. Lynsey prides herself in taking a collaborative approach In order to make meaningful and long term changes in the lives of individuals with Autism. She is passionate about working with people of all ages in the Tulsa area and looks forward to growing within the ABA community.

Lynsey and her fiancé just moved back home to Tulsa from Arkansas and will be welcoming a baby boy in October! Lynsey enjoys being outdoors and spending time with family and friends.

Jenny Lin

Jenny is originally from Taiwan. She speaks fluent Mandarin/Taiwanese. Jenny graduated from the University of Cincinnati, Ohio with both a Master's in Criminal Justice and a Master's in Special Education. She moved to Australia in 2014 to complete her Field Placement after graduation. Jenny is passionate about ABA therapy, and after 4 years living in Australia, she decided to come back to the United States to be closer to her family and friends. Jenny had lived in Oklahoma in her senior year in high school as an international exchange student. She was very excited to have the opportunity to join CLASS Tulsa and call Oklahoma home again.

Amy Rosa

Amy completed her undergrad at Oklahoma State University in 2015. She started her career in ABA and immediately fell in love with the field. Amy received her master’s in Psychology from Capella University after completing internships with Central Texas Behavioral Solutions and CLASS Tulsa. She loves spending time with kids of all ages and believes that kids have a lot to teach adults! Amy enjoys spending time with her ornery husband and three-year old little boy, reading, shopping, travelling and trying out new restaurants.

Amber Burwell

Amber grew up in Bartlesville, Oklahoma. She moved to California to be with her husband after he was stationed there serving in the USMC. While living in California Amber worked with adults with mild to severe developmental disabilities. She obtained her Bachelors of Arts in Psychology and Sociology in 2012. After moving back to Oklahoma she went back to school to obtain her Masters of Science in Psychology with a specialization in Applied Behavior Analysis and graduated from Capella University in 2016. Amber and her husband, Colby just recently celebrated their 11 year anniversary and have two boys who are 6 and 1, and 4 dogs. She enjoys spending time with her family and going camping any chance that they get.

Leslie Williams

Leslie earned a Masters in Special Education with an emphasis in Applied Behavior Analysis in 2018. She has been working with children with developmental delays since 2013. She has been a Board Certified Behavior Analyst since 2018. Leslie lives in Norman with her husband, three children and dog. She activity participates in state organizations advocating for Oklahoma families and enjoys advocating for her clients at CLASS Norman.

Sara Martin

Sara is a Board Certified Behavior Analyst with focus experience in naturalistic early childhood intervention, and social skills programming. She earned her Masters in Education: Curriculum and Instruction from Arizona State University, and has attended training through UCLA's Can Reach program in The Joint Attention, Symbolic Play, Engagement, and Regulation (JASPER ©) program developed by Kasari Lab as well as The Program for Education and Enrichment of Relational Skills (PEERS ©) developed by The Semel Institute for Neuroscience and Human Behavior. She has experience in the classroom, home, and clinic settings, collaborating with parents, educators and other professionals to develop team-minded behavior support plans, as well as collaborating with community members to organize support and play groups in the Autism community. She is passionate and focused on providing an individualistic and flexible approach to therapy and parent engagement, centered around the development of meaningful language, play, self help, and social skills. She looks forward to continued opportunities to expand her knowledge and training in the field of Applied Behavior Analysis, as well as to participate in, contribute to, and grow with the Autism community as a whole.

Benjamin Hatley

Ben is a Board Certified Behavior Analyst with over 4 years of experience providing behavioral services to individuals with autism spectrum disorder. He began working with people with disabilities as a freshman in high school at a summer camp, and he has continued that passion ever since. Ben has experience working with children, adolescents, transition age youth, and adults with autism. He is especially interested in helping individuals who engage in challenging behavior that limit their access to social activities and independence. Ben received his B.S. in Psychology from UNCC and his M.S. in Applied Behavior Analysis from Auburn University. He recently moved from Birmingham, AL to Oklahoma City, where he lives with his new wife and their dog.