Gary joined West Yorkshire Police in 2001, initially posted to Leeds and relatively quickly joined the CID undertaking a variety of roles; both proactive and reactive at local, force and regional level to the rank of DCI.
In 2013 Gary was selected to attend the FBI National Academy, which having successfully completed, he continues as an active member of this prestigious international law enforcement network.
Gary was promoted to Superintendent in Humberside Police in 2016, initially leading the force logistics and planning function before undertaking the role of Detective Superintendent responsible for Crime Investigation; as a PIP3 and accredited K&E SIO.
In 2019, Gary was promoted to Nottinghamshire Police, undertaking the role of Head of Crime and Specialist Operations. He is a Strategic Firearms Commander, PIP4 and a Gold Public Order Commander.
In July 2022, Gary was temporarily promoted to the rank of Assistant Chief Constable with responsibility for Local Policing.