Dr. Weiss is a clinical psychologist registered with the College of Psychologists of Ontario.  He is also an Associate Professor in the Department of Psychology at York University.  He holds the Chair in Autism Spectrum Disorders Treatment and Care Research through the Canadian Institutes of Health Research (CIHR), as well as additional operating funds from CIHR and the Social Sciences and Humanities Research Council (SSHRC).  He completed a pre-doctoral internship at Surrey Place Centre (Toronto) and a post-doctoral fellowship in the Dual Diagnosis Program at the Centre for Addiction and Mental Health, and was a fellow in the Department of Psychiatry at the University of Toronto.  His research focuses on the prevention and treatment of mental health problems in people with autism spectrum disorders and/or intellectual disabilities across the lifespan.

Dr. Weiss provides comprehensive psychological assessments for a variety of issues including learning disabilities, giftedness, and autism spectrum disorders.  He is licensed to work with kids, adolescents, and adults, as well as families.