Meng-Chuan Lai (MD, PhD) is Staff Psychiatrist, Clinician Scientist and O’Brien Scholar within the Child and Youth Mental Health Collaborative at the Centre for Addiction and Mental Health, The Hospital for Sick Children, and the University of Toronto. He is Assistant Professor in the Department of Psychiatry, and Graduate Faculty at the Institute of Medical Science and Department of Psychology, University of Toronto. He holds the Honorary Director of Gender Research in Autism at the Autism Research Centre, University of Cambridge, and is Adjunct Attending Psychiatrist and Assistant Professor of Psychiatry at the National Taiwan University. Dr. Lai’s research aims to delineate how sex- and gender-related factors act as modulating mechanisms for the (1) behavioural presentation, (2) clinical recognition and diagnosis, (3) neurobiology, and (4) aetiologies of autism, as well as its co-occurring neurodevelopmental and mental health conditions. A particular focus is on females with autism and the complex relations between autism and sex- and gender-related mechanisms. His research also extends to social cognitive development, health of sexual and gender diverse populations, and psychiatric nosology.