- Member of the Research Advisory Council to the recently created Commission of Inquiry into the 2022 Public Order Emergency, conducted by Justice Paul Rouleau. Quebec Canada
- Expert Advisor to Home Stretch Design Program. Corrective Services NSW (CSNSW) model. New South Wales Government. 2022 –
- Chairperson, Western Cape Provincial Safety Advisory Committee (Western Cape) February 2021 – February 2024.
- Associate African Climate & Development Initiative (ACDI), University of Cape Town. 2022.
- Steering Committee member. The application of restorative justice processes to wildlife crimes in South Africa. Endangered Wildlife Trust (EWT) under the WWF Khetha Project, 2019 –
- Report reviewer for the Division of Behavioral and Social Sciences and Education at the National Academies of Sciences, Engineering, and Medicine’s Committee on Law and Justice (CLAJ) project, Evidence to Advance Reform in the Global Security and Justice Sectors 2021 –
- Reviewer, Millennium, 2021
- International Editorial Board for Emerald Studies in Plural Policing book series, 2020-
- Reviewer, Griffith Law Review, 2020 –
- Editor for Criminology at the Edge, Eds. Leclerc, B., Homel, R. and Shearing, C., Routledge. 2017 –
- International Editorial Board for Book Series: Perspectives on Crime, Law and Justice from the Global South 2018 –
- International Editorial Board for the International Journal for Crime, Justice and Social Democracy 2016 –
- Advisory Board. Routledge Book Series Studies in Private Security Studies 2016 –
- Advisory Editor for the Oxford Research Encyclopedia of Criminology 2014 –
- Member of the American Society of Criminology Sellin-Glueck Award Committee, 2013 – 2014.
- International Advisory Board. Restorative Justice: An International Journal, 2013 –
- Advisory Board, Palgrave Book Series on Compromise after Conflict, 2012 –
- Partner Investigator ARC Centre of Excellence in Policing and Security, Griffith University, Australia, 2008 – 2013.
- Editorial Board, Crime, Law and Social Change, 2011 –
- Editorial Board, The Journal of Criminal Justice Research (JCJR) 2009 – 2013.
- Editorial Board, The Open Criminology Journal 2007 – 2012.
- Editorial Board, Criminology & Criminal Justice, 1999 – 2016.
- Board of Contributing Editors, Electronic Newsletter on Policing in Democratic Societies, 1990 –
- Advisory Board, Center on Crime, Communities and Culture, Open Society Institute, 1997 – 1999.
- International Advisory Board, The British Journal of Criminology, 1996 –
- Reviewer, Police Studies, 1995-
- Reviewer, Economy and Society, 1995-
- Editorial Board, Journal of Regulatory Law and Practice, 1992 –
- Reviewer, Law & Policy, 1991-
- Reviewer, Journal of Contemporary Ethnography, 1990-
- Reviewer, Criminology, 1989 –
- Reviewer, Canadian Journal of Criminology, 1988-
- Reviewer, American Bar Foundation Research Journal/ Law and Social Inquiry, 1988 –
- Editorial Board, Natal University Law and Society Review, 1985 –
- Associate Editor, Critical Arts, 1986 –
- Editorial Board, Policing and Society, 1988 – 2013.
- Associate Consultant, Journal of Criminal Law and Criminology, 1991 –
- Reviewer, Law and Society Review, 1983 –
- Reviewer, Social Problems, 1982.
- Reviewer, Canadian Journal of Society, 1982 –
- Reviewer, Canadian Criminology Society, 1983 – 1985.
- Faculty Adviser, Canadian Criminology Forum, 1979 – 1983.
- Associate Editor, Canadian Journal of Sociology, 1975 – 1978.