Barry Percy-Smith is Reader in Childhood and Participatory Practice at the SOLAR Action Research Centre, University of the West of England, Bristol, UK. He has extensive experience using participatory and 'whole system' action inquiry approaches in research, evaluation and development projects with children, young people, practitioners and policy makers. He is Coordinator of the Children's Participation Learning Network, an international forum for critical debate about children and young people's participation, and has published and presented numerous papers on the subject.
Nigel Thomas is Professor of Childhood and Youth Research at the University of Central Lancashire, UK, and Co-Director of The Centre, which exists to promote and research children and young people's participation, inclusion and empowerment. He has twenty years' experience of social work practice and has taught and researched extensively in the field of children's welfare, rights and participation.