Mary-Margaret Fussell

Mary Fussell is a Board Certified Assistant Behavior Analyst (BCaBA) who has been with BIG for the past 2.5 years. She earned her undergraduate degree in Psychology from Louisiana State University and is currently pursuing her master's degree, with plans to graduate in May of 2026. Mary is passionate about working with children and finds great joy in watching them learn, develop new skills, and grow each day. She is dedicated to supporting her clients and their families through compassionate, evidence-based care and strives to create meaningful progress in every session.