Our Staff
Our Staff
Tiffany Kelly, MS, BCBA, LBA
Owner & BCBA
Tiffany is a Board Certified Behavior Analyst and owner of Fluency ABA, LLC. Tiffany facilitates our ACT courses and provides direct therapy to our adult clients, as well as parent training and support. Tiffany also writes the treatment plan for each client and supervises the implementation of each therapy program.
Tiffany received a bachelors degree in Psychology from the University of Tennessee Chattanooga in 2003 and a masters degree in Applied Behavior Analysis from Lipscomb University in 2019.
Tiffany began working with clients with autism in 2000. Since then, she has worked in a clinic, elementary school and home setting. Tiffany also uses the principles of ABA with her own son and understands how to make ABA doable for real life. She homeschooled her son for a year and loved it!
Tiffany is passionate about providing practical tools to help others live a more vibrant and meaningful life. Whether it is helping a child to communicate their needs instead of tantruming, or helping a parent to feel less stressed and more balanced, a little bit of guidance and support can make a big difference!
Olivia James, RBT
Lead Registered Behavior Technician
Olivia joined the Fluency ABA team in February 2024. Olivia is a Registered Behavior Technician on our clinical team. She provides direct therapy to our younger clients with autism and developmental disabilities. Olivia is interested in the field of EMS and plans to pursue a career in flight paramedic. Olivia enjoys helping her clients master new skills and build self confidence. In her free time, Olivia enjoys crocheting and spending time with family.
D'Anna Thomas, RBT
Registered Behavior Technician
D'Anna joined the Fluency ABA team in January 2025. D'Anna is a Registered Behavior Technician on our clinical team. She provides direct therapy to our younger clients with autism and developmental disabilities. D'Anna is also a member of the administrative team and provides essential background support in our home office. She assists with daily operations and assists with creating and organizing therapy materials which allows our RBT team to continue providing high-quality care to our clients.
Jace Duncan, RBT
Registered Behavior Technician
Jace joined the Fluency ABA team in March 2026. Jace is a Registered Behavior Technician on our clinical team.
More Coming Soon!