Nick became Chair of the Parole Board in March 2016.  He also has a part-time role a Professor in Criminal Justice at the School of Law, Royal Holloway University of London.

From 2010 to 2016 he was HM Chief Inspector of Prisons responsible for reporting on the treatment of prisoners and the conditions in prisons, immigration detention, police custody and other forms of detention throughout England and Wales.  The inspectorate is an independent, human rights based body responsible for delivering the UK’s obligations that arise from its status as a party to the UN Optional Protocol to the Convention Against Torture.  From 2003 to 2010 Nick set up and was the first Chair of the Independent Police Complaints Commission. 

The first half of his career was in the voluntary sector working with young offenders for the National Association for the Care and Resettlement of Offenders (NACRO), young homeless people for Centrepoint and refugees and asylum seekers for the Refugee Council. 

He is the voluntary Chair of New Horizon Youth Centre and Patron for Unlock.