- Member of the Research Advisory Council of the Commission of Inquiry into the 2022 Public Order Emergency, conducted by Justice Paul Rouleau, Quebec Canada. 2022-2023.
- Expert Advisor to Home Stretch Design Program. Corrective Services NSW(CSNSW) model. New South Wales Government. 2022 – 2023.
- Member of the Government of the Western Cape’s Community Safety’s Advisory Committee, 2018-2024 (Chairperson 2021-2024).
- Associate African Climate & Development Initiative (ACDI), University of Cape Town. 2021 –
- 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 Behavioural 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 – 2022.
- International Editorial Board for Emerald Studies in Plural Policing book series, 2020-2022.
- Editor for Criminology at the Edge, with Leclerc, B., Homel, R., Routledge. 2017 –
- International Editorial Board for Book Series: Perspectives on Crime, Law and Justice from the Global South 2018 – 2020.
- International Editorial Board for the International Journal for Crime, Justice and Social Democracy 2016 –2018.
- Advisory Board. Routledge Book Series Studies in Private Security Studies 2016 – 2018.
- Advisory Editor for the Oxford Research Encyclopedia of Criminology 2014 – 2016.
- 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 – 2014.
- Editorial Board, Crime, Law and Social Change, 2011 – 2014.
- 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 – 1995.
- Advisory Board, Center on Crime, Communities and Culture, Open Society Institute, 1997 – 1999.
- International Advisory Board, The British Journal of Criminology, 1996 – 1998.
- Editorial Board, Journal of Regulatory Law and Practice, 1992 – 1994.
- Editorial Board, Natal University Law and Society Review, 1985 – 1990.
- Associate Editor, Critical Arts, 1986 – 1988.
- Editorial Board, Policing and Society, 1988 – 2013.
- Associate Consultant, Journal of Criminal Law and Criminology, 1991 – 1993.
- Associate Editor, Canadian Journal of Sociology, 1975 – 1978.
Clifford Shearing 