The current members of the Steering Group are:
- Sherry Ralph, Chief Executive, Independent Custody Visiting Association and UK NPM Chair
- Charlie Taylor, HM Chief Inspector of Prisons (England and Wales)
- Dr Arun Chopra, Chief Inspector of Mental Health, Care Quality Commission
- Elisabeth Davies, National Chair, Independent Monitoring Boards
- Rachel Lindsay, Lead Inspector, Criminal Justice Inspection Northern Ireland
- John Powell, Mental Health Director, Healthcare Inspectorate Wales
- Dr John Crichton, Executive Director (Medical), Mental Welfare Commission for Scotland
The NPM Steering Group is governed by the NPM constitution.