She has published widely in the area of psychiatric comorbidity in people with ASD, on both assessment and treatment and she has directed several open and randomized clinical trials in this area. Clinically, she directs a child assessment clinic that specializes in evaluation of suspected neurodevelopmental disorders, co-directs the VT Autism Clinic and leads a support group for adults with ASD as well as supervises a group for college students on the spectrum. In addition to her research work, she is also a psychologist in private practice.