Gwynnyth Llewellyn is Professor and Dean of the Faculty of Health Sciences, University of Sydney, and Director of the Australian Family and Disability Studies Research Collaboration. Professor Llewellyn's work led to the world's first national strategy to support parents with learning difficulties and promote a healthy start to life for their young children.

Rannveig Traustadóttir is Professor and Director of the Centre for Disability Studies in the School of Social Sciences, University of Iceland. She has been one of the leaders in developing Disability Studies as a scholarly field in the Nordic countries and is the former president of The Nordic Network on Disability Research.

David McConnell is Professor in the Faculty of Rehabilitation Medicine, University of Alberta. Professor McConnell has been conducting research in the field of parents and parenting with intellectual disabilities in Australia for over 15 years. He is now expanding his research program in Canada.

Hanna Björg Sigurjónsdóttir is an Assistant Professor at the University of Iceland. She has conducted collaborative research with parents with intellectual disabilities for 15 years. Together with Rannveig Traustadttir she has published Contested Families: Parents with Intellectual Disabilities and Their Children (1998) and Invisible Families: Mothers with Intellectual Disabilities and Their Children (2001).