John Pratt is Professor of Criminology, and James Cook Research Fellow in Social Science at the Institute of Criminology, at the Victoria University of Wellington.

David Brown is Associate Professor in the Asia Research Centre at Murdoch University, Australia.

Mark Brown is a Lecturer in the School of Social and Political Sciences, Melbourne University. His primary reserearch interests encompass penality, corrections, and colonial penal history.

Simon Hallsworth is Director of the Universities Centre for Social Evaluation Research, and Principal Lecturer in the Department of Applied Social Science at London Metropolitan University.

Wayne Morrison works within the Edexcel Foundation External Programme for Law, UK.