She conducts psychological assessments and provides psychotherapy to children, adolescents, young adults and families. In addition, she advocates for children with developmental disabilities in the community and in school settings. Dr. Hessler runs group therapy sessions for children with various behavioral, academic, and behavioral challenges so that peers can receive feedback and support from each other. In collaboration with Susan Schapiro, Dr. Hessler conducts assessments to diagnose and treat ADHD, Executive Dysfunction, Mood Disorders, and Learning Disabilities.