Mark Greenhalgh1

Mark Greenhalgh


Mark has been a Police Officer for 23 years after leaving the Royal Air Force as an avionics technician on a fast jet reconnaissance squadron.

He has spent time at every rank from Constable to Chief Superintendent, and has a wealth of operational, command & strategic experience, particularly within high-risk police operations and public protection & vulnerability. His previous role was Detective Chief Superintendent – Head of Crime & Vulnerability for Cambridgeshire Police.

He has been a firearms commander for 17 years, and has been in command of close protection operations for the Royal Family / VIP and other high-risk operations, and is now a national assessor. He is also a qualified Strategic Chemical, Biological, Nuclear and Radioactive (CBRN ) Commander and was the CBRN tactical commander for Operation Isobar which was the 2018 NATO Summit and involved over 30 world leaders.

He was a Hostage & Crisis Negotiator for over 16 years, and was the force lead for the Cadre of Negotiators as well as a National Assessor / Counter Terrorism resource and has been deployed on over 100+ live deployments ranging from crisis & suicide intervention to international kidnaps.

To compliment this, he has a MSc in Criminal Psychology with a specific focus on missing persons, and is currently working on further academic research in this area as well as being a police advisor to the National Centre for Study of Missing Persons.

His current role is seconded as Head of Business Change for the National Digital Forensics Programme to help deliver the National Digital Strategy across England & Wales.