Leonard Abbeduto, PhD, is UC Davis Distinguished Professor Emeritus at the MIND Institute and Department of Psychiatry and Behavioral Sciences at the University of California, Davis. His research is focused broadly on the development of language across the lifespan in individuals with neurodevelopmental disorders and the family context for language development. He is also the Past-President of Division 33 (Intellectual and Developmental Disabilities) of the American Psychological Association. Dr. Abbeduto has received numerous awards and honors, including the Kellett Mid-Career Research Award (2008) and Emil A. Steiger Award for Distinguished Teaching (1996) from the University of Wisconsin-Madison and the Enid and William Rosen Research Award from the National Fragile X Foundation (2010). He earned his PhD in Psychology from the University of Illinois at Chicago in 1982.