Sue McAllister CB was the Director General of the Northern Ireland Prison Service between 2012 and 2016.
[1][2] McAllister was involved in the review team who investigated the suicide of Colin Bell, an offender under the care of the Northern Ireland Prison Service at HM Prison Maghaberry in 2008.
[1] She then worked in the Ministry of Justice as head of the Public Sector Bids Unit until she retired in 2012.
[2] McAllister replaced Colin McConnell, who had become head of the Scottish Prison Service.
[1] In August 2016, she announced that she would be resigning from the post in October that year in order to retire.