Thomas Achenbach is Professor of Psychiatry and Director of the Center for Children, Youth and Families at the University of Vermont in the US.

Steve Aos is Assistant Director of the Washington State Institute for Public Policy, established by the Washington State Government to provide evidence relevant to major policy decisions.

Jeffrey Jensen Arnett is a Research Professor in the Department of Psychology at Clark University, Worcester, Massachusetts and editor of the Journal of Adolescent Research.

Nick Axford is a researcher at the Dartington Social Research Unit in England.

Walter Barker is director of the Early Childhood Development Centre in the UK

Jacqueline Barnes is Professor of Psychology at Birkbeck, University of London and Honorary Senior Psychologist at the Tavistock Clinic.

W. Steven Barnett is Director of the National Institute for Early Education Research (NIEER) at Rutgers University, US. His work has led to better understanding of the economics of early care and education and the long term effects of preschool programs on children's learning and development. His investigations have also shed more light on the distribution of educational opportunities in the US.

Gil Botvin is Professor of Psychology and Director of the Institute for Prevention Research at Weill Medical College, Cornell University.

Brian Bumbarger is Coordinator of Policy Research and Outreach at the Prevention Research Center for the Promotion of Human Development at Penn State University.

Patricia (Patti) Chamberlain is a Research Scientist at the Oregon Social Learning Center.

Rand Conger is a scientist at the Institute for Social and Behavioral Research at Iowa State University. His research has focused primarily on large, community-based studies of families, children and adolescents.

Thomas Cook is Professor of Sociology, Psychology, Education and Social Policy at Northwestern University in Chicago in the United States. His work has led to a number of important advances in program evaluation and school reform. His research on the contextual factors that influence adolescent development, particularly for urban minorities, has received particular attention.

Mark Dadds is Professor of Psychology at the University of New South Wales, Sydney, Australia, and Senior Research Fellow of the National Health and Medical Research Council of Australia.

Devra Lee Davis is Director of the Center for Environmental Oncology at the University of Pittsburgh Cancer Institute.

Tom Dishion is Director of the Child and Family Center and Professor of Psychology at the University of Oregon. His program design and clinical work focus on family-centered interventions. Tom Dishion is the 2007 Bennett Lecturer in Prevention Science at Penn State University.

Ken Dodge is Director of the Center for Child and Family Policy and Professor of Public Policy Studies, Psychology, Social and Health Sciences at Duke University.

Felton James Earls is Professor of Child Psychiatry at Harvard Medical School. Felton Earls is Principal investigator of the Project on Human Development in Chicago Neighborhoods, one of the major longitudinal studies in the US. His work also includes studies of physical and mental health in Tanzania.

Richard Eckersley is Visiting Fellow at the National Centre for Epidemiology and Population Health at the Australian National University.

Delbert S. Elliott is Director of the Center for the Study of Prevention and Violence (CSPV) and Professor of Sociology at the Univerisity of Colorado, Boulder.

James Robert Flynn (also Jim Flynn) is an intelligence researcher and Emeritus Professor of Political Studies at the University of Otago in Dunedin, New Zealand, known for his discovery of the Flynn effect, the continued year-on-year rise of IQ scores in all parts of the world.

Migeulina German is a Research Assistant at Arizona State University. She is currently working on the Bridges to High School Project (BRIDGES).

Stephen Gilman is Professor of Society, Human Development and Health at the Harvard School of Public Health. His research has contributed to understanding about the relationship between social inequalities and major mental disorders.

Jean Golding is Emeritus Professor of Paediatric and Perinatal Epidemiology at the University of Bristol.

Mark Greenberg is the Edna Peterson Bennett Endowed Chair in Prevention Research and Director of the Prevention Research Center for the Promotion of Human Development at Penn State University. Mark Greenberg is also a Board Member of Prevention Action.

Ann Hagell is Programme Director for Adolescent Mental Health at The Nuffield Foundation and Editor of the Journal of Adolescence.

David Hawkins is the founding Director of the Social Development Research at the University of Washington, Seattle.

Judy Hutchings is Director of Incredible Years Wales, which has developed out of the research program she established there in 1995.

Philip C Kendall is Professor of Psychology and Director of the Child and Adolescent Anxiety Disorders Clinic at Temple University in Philadelphia.

Leslie Leve is a senior scientist at the Oregon Social Learning Center.

Michael Little is Director of the Dartington Social Research Unit, UK and Faculty Associate at the Chapin Hall Center for Children at the University of Chicago. He is Executive Editor of Prevention Action.

Nancy A. Madden works at the Institute for Effective Education and the University of York and at the Center for Research and Reform in Education at Johns Hopkins University, US. With Robert Slavin she is the President of the Success for All Foundation that leads the development of the education program of the same name.

Edward Melhuish is Professor of Human Development at Birkbeck College, and Visiting Professorial Fellow at the Institute of Education both at the University of London. An internationally recognised expert on child development and childcare Ted Melhuish has led major longitudinal studies into effective pre-school education for children aged three to seven years, and is Executive Director of the National Evaluation of Sure Start, UKs flagship prevention program.

Emanuel Miller (1893-1970) was a founding father of child and adolescent psychiatry in the UK.

Brenda Molloy is the Director of the Community Mothers Programme, part of the Health Service Executive in Dublin, Ireland.

Alina Morawska is a Research Fellow at the Parenting and Family Support Centre at the University of Queensland, Australia.

Terje Ogden is Research Director and Senior Scientist at the Norwegian Center for Child Behavioral Development at the University of Oslo. An educationalist and psychologist by training, Terje is recognised as one of Norway's leaders on the implementation of proven models such as Multisystemic Treatment (MST) and Parent Management Training in Norway, with the goal of reducing anti-social behavior by children and young people.

Dan Offord was founding director of the Offord Centre for Child Studies and Professor in the Department of Psychiatry and Behavioural Neurosciences at McMaster University Canada.

Nancy Padian is Executive director of the Women's Global Health Imperative at the University of California, San Francisco.

Dr. Prinz, a Professor and a Carolina Distinguished Professor, based at the University of South Carolina. Among his interests are prevention and treatment of conduct disorders and family intervention.

Dr Christine Puckering is a Clinical and Forensic Psychologist working in the Section of Psychological Medicine at the University of Glasgow.

Luanne Rohrbach is Assistant Professor of Research in Preventive Medicine at the Keck School of Medicine.

Sir Michael Rutter is Professor of Developmental Psychopathology at the Institute of Psychiatry, Kings College, London.

Matthew Sanders is Professor of Clinical Psychology and Director of the Parenting and Family Support Centre at the University of Queensland, Australia where he created the Triple P Positive Parenting Program.

Professor Stephen Scott is Professor of Child Health and Behaviour and Consultant Child and Adolescent Psychiatrist at the Maudsley Hospital/Institute of Psychiatry in London.

Bob Slavin is Director of the Institute of Effective Education at the University of York, UK and of the Center for Research and Reform in Education at Johns Hopkins University, US.

Zili Sloboda is Professor in the Institute of Health and Social Policy at the University of Akron in Ohio, US. She is founder and President of the Society of Prevention Research.

George Davey Smith is Professor of Clinical Epidemiology and Head of Epidemiology Division at Bristol University.

Richard Spoth is Director of the Partnerships in Prevention Science Institute at Iowa State University. His interests lie in the problems of taking effective prevention programs to scale.

Fiona Stanley is founding director of the Telethon Institute for Child Health Research in Subiaco, Western Australia. An epidemiologist by training, she is noted for research into child and maternal health, and birth disorders such as cerebral palsy, also for her advocacy in favour of prevention, public health and children's rights. Since 2002 she has led the Australian Research Alliance for Children and Youth, a broker of collaborations, a disseminator of ideas and an advocate for Australia’s children.

Elizabeth Stuart is Assistant Professor in the Departments of Mental Health and Biostatistics at Johns Hopkins Bloomberg School of Public Health.