Hiram E. Fitzgerald, PhD, is series editor of the Praeger series Child Psychology and Mental Health. He is associate provost for University Outreach and Engagement and university distinguished professor of psychology at Michigan State University and adjunct professor of psychiatry, The University of Michigan. He is a member of the national research consortium and steering committee guiding the national evaluation of Early Head Start and is a scientific advisor to the steering committee of the American Indian/Alaska Native Head Start Research Center (University of Colorado, Denver). His 450-plus scholarly publications include 60 books. He is a fellow of the American Psychological Association, the American Psychological Society, and the American Association of Applied and Preventive Psychology. From 1992-2008, Fitzgerald was executive director of the World Association for Infant Mental Health.

Kaija Puura, MD, PhD, is adjunct professor in the Department of Child Psychiatry at the University of Tampere, Finland, and assistant chief of Child Psychiatry at Tampere University Hospital. For 20 years, her professional activities as a clinical child psychiatrist have combined research activities with clinical work in various projects both in primary care and mental health services. Puura has published a variety of papers in international journals. She received the World Association of Infant Mental Health New Investigator Award in 2002 and was appointed associate executive director of the WAIMH in 2009.

Mark Tomlinson, PhD, is associate professor at Stellenbosch University, Stellenbosch, South Africa. He is an executive board member of the World Association for Infant Mental Health, president of the Western Cape Association for Infant Mental Health, vice president of the Postnatal Depression Support Association, and an executive board member of the Marce Society. He has published extensively in Child Development, The Lancet, PLoS Medicine, British Journal of Psychiatry, and the Bulletin of the World Health Organization.

Campbell Paul, MD, is a consultant infant psychiatrist and coordinator of Infant Mental Health at the Royal Children's Hospital, Melbourne, Australia. He is an honorary principal fellow in the Department of Psychiatry at the University of Melbourne. He has worked in hospital-based child and adolescent psychiatry for many years and established a graduate diploma and masters program in Infant Mental Health at the University of Melbourne. Paul has been involved in the establishment of child and adolescent mental health services for Australian Aboriginal children and their families through the establishment of the Koori Kids Mental Health Network in Victoria, Australia. He has also been a child psychiatry consultant to the Northern Territory Mental Health Service in Alice Springs, Central Australia. Paul was the recipient of the 2008 World Association for Infant Mental Health WAIMH Award.