David Best is Professor of Criminology at Sheffield Hallam University and Honorary Professor of Regulation and Global Governance at Australian National University. Trained as a psychologist and criminologist, he has worked in practice, research and policy in the areas of addiction recovery and rehabilitation of offenders. He has authored or co-edited five books on addiction recovery, and has written more than 180 peer-reviewed journal publications and around 70 book chapters and technical reports. Previous employers include the Institute of Psychiatry (Kings College London), Strathclyde University, Birmingham University, the National Treatment Agency and the Prime Minister's Delivery Unit. Current research activities are around: