Mary Law, PhD, OT(C), is Associate Professor in the School of Rehabilitation Science and the Department of Clinical Epidemiology and Biostatistics at McMaster University in Ontario, Canada. She is also Director of the Neurodevelopmental Clinical Research Unit, a partnership between researchers at the University and 19 children’s rehabilitation centres throughout Ontario. In addition, Dr. Law is a member of the American Academy of Cerebral Palsy and Developmental Medicine, the Academy of Research of the American Occupational Therapy Foundation, and the Canadian Association of Occupational Therapists. Her current interests include evaluating effectiveness of a family-centred intervention, continuing validation of the Canadian Occupational Performance Measure, and examining the environmental constraints which prohibit children with disabilities from participating in everyday activities.