Meng-Chuan Lai, MD, PhD, is a staff psychiatrist, clinician scientist and O’Brien Scholar within the Child and Youth Mental Health Collaborative at the Centre for Addiction and Mental Health, Hospital for Sick Children, and University of Toronto (Canada). He is an Associate Professor in the Department of Psychiatry, and Graduate Faculty at the Institute of Medical Science and Department of Psychology, University of Toronto. He is an Honorary Visiting Fellow at the Department of Psychiatry, University of Cambridge (UK), and an Adjunct Attending Psychiatrist at the National Taiwan University Hospital (Taiwan). As a Canadian Institutes of Health Research Sex and Gender Science Chair, Dr. Lai’s work focuses on improving mental health and wellbeing of neurodivergent individuals across sexes and genders. His research delineates how sex- and gender-related factors act as risk, protective, and modulating mechanisms for the behavioural presentation and adaptation, clinical recognition and diagnosis, and neurobiology of autism and co-occurring mental health conditions.