She has worked at day and residential schools for children with learning and more severe developmental disabilities and served as Director of Diagnostic Services at Kingsbury, a private nonprofit educational organization, in Washington, D.C. Dr. Dietzel is currently in private practice in Silver Spring, Maryland at Dietzel Butler & Associates, conducting evaluations with children and adults and providing local and national trainings to mental health, medical, and educational professionals. Areas of expertise include AD/HD, executive dysfunction, learning disabilities, Autism Spectrum Disorders, giftedness, and anxiety disorders.