Ronald Barr, Professor of Pediatrics at the University of British Columbia, is a Canada Research Chair in Community Child Health Research; Director of the Centre for Community Child Health Research; and Director of the Experience-based Brain and Biological Development Program of the Canadian Institute of Advanced Research. He is a member of the Governing Council of the Society for Research in Child Development and Executive Council of the International Society of Infant Studies. He was President of the Society for Developmental and Behavioral Pediatrics, a Fellow at the Centre for Advanced Study of Behavioral Sciences and an Associate Editor of Child Development.