Dr. Bellone received her undergraduate degree in psychology from Louisiana State University. Graduate work was completed at The University of Southern Mississippi, from which an M.A. in Psychology and a Ph.D. in School Psychology were obtained. Dr. Bellone completed her predoctoral internship and postdoctoral fellowship in the Pediatric Developmental Disabilities Clinic at Kennedy Krieger Institute/Johns Hopkins University School of Medicine. She joined the faculty of UT Southwestern as part of the Department of Psychiatry in the Center for Autism and Developmental Disabilities in 2014.

Dr. Bellone's clinical services focus on assessment and treatment of challenging behaviors in children and adolescents with autism spectrum disorders or related disabilities. Dr. Bellone is a Licensed Psychologist and Board Certified Behavior Analyst and currently serves as the Director of Psychological Services at the Center for Autism and Developmental Disabilities.