The Brown Behaviorista
About Me
Meet
Ashleigh Lewis
Ashleigh Lewis, M.A.T., BCBA, LBA is a Board Certified Behavior Analyst (BCBA) and Licensed Behavior Analyst (LBA) whose work is grounded in advancing culturally responsive, ethical, and socially valid applications of applied behavior analysis. With professional experience across clinical, school-based, and supervisory settings, Ashleigh is deeply committed to shifting the field of ABA toward practices that meaningfully center culture, identity, and context in both research and intervention.
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​Ashleigh is the founder of The Brown Behaviorista, a professional platform dedicated to promoting culturally responsive ABA through education, consultation, and resource development. As a speaker, trainer, and consultant, she delivers professional development and continuing education focused on cultural humility, culturally responsive supervision, ethical decision-making, and sustainable behavior support in schools. Her work emphasizes bridging the gap between education and ABA by supporting relationship-based, functionally sound practices that improve learner engagement, classroom climate, and positive behavior outcomes.
In addition to her training and consultation work, Ashleigh is the author of a collection of social stories intentionally written for children of color to promote representation and social validity in intervention materials. She also leads a BIPOC employee resource group focused on community building and professional support and regularly engages in community-based initiatives that provide education and resources to families of color.
Ashleigh’s current research includes cultural representation in ABA instructional stimuli and its impact on learning outcomes for neurodivergent children. Through conference presentations, research, and professional writing, she is passionate about contributing to the evolution of ABA by advancing culturally informed research, equitable intervention practices, and stronger collaborations between behavior analysts and educators.
I Meet You Where You Are
I understand that behavior needs vary from person to person. That's why I offer personalized services to meet your unique needs. Whether you are a family seeking guidance in managing your child's behaviors, an educator looking for professional development in creating a more inclusive classroom, or an individual in a leadership role seeking guidance in reducing disruptive student behaviors, I'm here to help.
Schedule a discovery call today to learn more about how I can help you!