Our Team

Chief Inspector Colin Longstaff is the Chief Executive Officer (CEO) of the Civil Nuclear Police Federation and is responsible for providing overall direction and leadership for the organisation.

Colin joined the UK Atomic Energy Authority Constabulary – the forerunner of the Civil Nuclear Constabulary – in February 2001. He was stationed at Sellafield where he worked as an AFO/dog handler before transferring to Heysham in 2006. A promotion to sergeant followed and Colin later transferred back to Sellafield in 2011 as a shift Inspector. In 2013 he was promoted to Chief Inspector Operations. Colin spent several years at Heysham and Hartlepool before becoming the Senior Operational Lead of the Mission Programme in 2021.

Before his policing career, Colin served in the RAF and worked for the prison service.

Sergeant Darren Adams is the Chair for Civil Nuclear Police Federation. He is responsible for the welfare of the membership, with a specific interest in areas of, Conduct and Performance, Post Incident Procedures and holds the portfolio for health and safety and Unit representative training

Darren joined the Civil Nuclear Constabulary in 2005. He initially worked at Sellafield as an AFO, before moving to Heysham OPU and later to the Strategic Escort Group (SEG) where he undertook international fuel moves to Japan. Darren has held various posts while working in operations, including PST instructor, Licenses Search Officer (LSO) and Police Search Advisor (PoLSA).

He first became a Police Federation representative in 2008 at Heysham. Whilst at Heysham OUP he acted as both Branch Secretary and Branch Chair. Darren was elected to a position on the CNPF Executive in 2019. Darren became the Vice Chair of the Federation in 2023, and the Chair in 2024.

PC Ian Muir is the Vice Chair and Treasurer for the Civil Nuclear Police Federation. He is responsible for the welfare of the membership with a specific interest in governance, policies, pensions and the maintenance of Federation funds.

Ian joined the Civil Nuclear Constabulary in 1987. He has worked all his service at Dounreay.

He first became a Police Federation Representative in 2004 at Dounreay until he was elected as Chair of the Civil Nuclear Federation in 2019. In 2022 he took up the additional role of Treasurer. In 2024 Ian moved into the role of Vice Chair.