Iain Crow is Reader in Research Methods at the University of Sheffield. He has previously worked at the Addiction Research Unit at the Institute of Psychiatry and was Head of Research at NACRO, the national organisation for offender rehabilitation and crime prevention, until 1989. His teaching covers research methods and statistics, research ethics, and the treatment and rehabilitation of offenders. He has done research on drug use, race and criminal justice, offenders and unemployment, the Youth Court, community safety. He has also been involved with community based programmes for offenders, and done research on such programmes. His other books include The Treatment and Rehabilitation of Offenders, Criminal Justice 2000: Strategies for a New Century, and Unemployment, Crime and Offenders.
Natasha Semmens has been a lecturer in Criminology at the University of Sheffield since 2001. Her teaching covers research methods, white collar crime and foundations in law and legal systems. Her research interests include the fear of crime, crime survey methodology, white collar crime and cybercrime. She has also been involved in projects with the Home Office, NACRO and the UK Information Commissioner.