Ziggurat Group

Ruth Aspy, Ph.D., is a licensed psychologist specializing in transdisciplinary assessment and intervention for individuals on the spectrum. She is co-author of a comprehensive model of intervention, The Ziggurat Model, which earned the Literary Achievement Award from the Autism Society.  Dr. Aspy has provided training and consultation throughout the United States and internationally. She serves on the Autism Society of America’s Panel of Professional Advisors. Her focus is on understanding the underlying characteristics of autistic individuals keeping their neurological/brain differences in mind.  Dr. Aspy believes that kindness is at the heart of all good support strategies. She has an emphasis on working with females on the spectrum and with those individuals who have symptoms of catatonia.

Barry G. Grossman, Ph.D., is a licensed psychologist and author in private practice. He specializes in counseling and assessing individuals on the spectrum and has an emphasis on working with females on the spectrum. Dr. Grossman presents internationally and has provided state-wide training and consultation to improve autism assessment and intervention in the public schools. He has authored books, textbook chapters, and journal articles. Dr. Grossman, along with his co-author, Dr. Aspy, wrote The Ziggurat Model-a book on designing interventions for individuals on the autism spectrum. The Ziggurat Model, which earned the Literary Achievement Award from the Autism Society, is being used successfully throughout the United States and internationally in countries including Japan, Greece, Canada, and Mexico. Dr. Grossman serves on the Autism Society's Panel of Professional Advisors.