Paediatrician and developmental scientist committed to interdisciplinary team research with the long-term goal of improving the lives of children and adolescents. Research has ranged from basic studies of neurobiological and psychological development, clinical studies in paediatrics and child psychiatry, and investigations of the social, family and cultural contexts that shape neurobehavioral development. Has published more than 300 scientific articles in the areas of child and adolescent development, behavioural/emotional health in youth, adolescent brain development, and the public health/policy implications of this work. Currently, Director, Institute of Human Development, University of California, Berkeley; Director, Center on the Developing Adolescent; Professor, Community Health and Human Development, School of Public Health; and Professor, University of California, Berkeley - University of California, San Francisco Joint Medical Program. Former President, Society for Research in Child Development. Primary focus of current work addresses the compelling challenges and opportunities in the current global context of more than 1.5 billion adolescents coming of age – and how the global technology revolution can become a positive force in meeting these challenges.