
Sara Hyet, Learning & Development Coach, RBT
Sara is a Registered Behavior Technician. She is a native Floridian who recently moved to Tennessee and is so thrilled to join the LCA team! She loves exploring new places whether that’s discovering new trails for hiking, camping, or discovering new lakes or waterfalls to visit! She loves spending time with her two dogs (Gizmo – her Mini Schnauzer and Tyson – her Cattle Dog rescue). She is very inspired to help others in need and is elated to join the Johnson City clinic!

Madeline Roberts, RBT
Madeline is a Registered Behavioral Technician and is thrilled to be joining the LCA team. Madeline was introduced to the ABA world while working as a preschool teacher and could not be happier in her choice of career. When not at work, you will find Madeline at the dog park with her pups or with her family. As a Tri-Cities native Madeline loves to explore the Great Smoky mountains as well! She has a love for creating pottery and shopping at thrift stores. Madeline plans to continue her education to complete her Bachelor’s degree at ETUS (Go Bucs!)
Addysun Seaton-Canfield, RBT
Addysun is a Registered Behavior Technician (RBT) and is very excited to be a part of the LCA team! She has been working with children in some capacity for the past two years and absolutely loves it. She was introduced to ABA through school and working in youth development through college. She is working towards getting her bachelor’s degree in child psychology at ETSU and hopes to continue to get her Masters degree. In her free time, she loves to play pickleball when it’s warm outside and spend time with her friends and family. Addysun hopes to continue to make a difference in the lives of children with autism!

Madeline “Maddie” Payne, B.S., Lead RBT
Maddie is a Registered Behavior Technician (RBT). She is so excited to be working as part of the LCA team! When she’s not working you’ll find her out in the wilderness whitewater kayaking, mountain biking, climbing, exploring, or out foraging wild edibles. She is a ACA L4 nationally certified Whitewater Kayaking Instructor and has a black belt in taekwondo. She also loves traveling and spent a semester abroad in Nepal and all of summer 2023 in Mongolia. She is a graduate of the University of Tennessee (go Vols!) where she completed her Bachelors in Psychology. She is also a Johnson City local, and is honored to be working and giving back to her home community!
Abigail Hilton, BT
Abi is a Registered Behavior Technician and a graduate of the University of Tennessee with a Bachelors in Psychology. She is passionate about supporting individuals in reaching their goals and is eager to continue developing her knowledge and experience within the field of psychology. Outside of work, Abi enjoys strength training, yoga, hiking, and spending time with friends. She values curiosity, continuous learning, and building positive connections with others.
Addysun Seaton-Canfield, RBT
Abigail Hilton, BT