The governor of a prison in England and Wales (or, in the case of a contracted out prison, its director).
The governor of a young offender institution or secure training centre (or, in the case of a contracted out young offender institution or secure training centre, its director).
The principal of a secure college.
A youth offending team established under section 39 of the Crime and Disorder Act 1998.
A provider of probation services within the meaning given by section 3(6) of the Offender Management Act 2007.