He began his career in the police force with the Thames Valley Police in 1975, rising to become Assistant Chief Constable in the West Yorkshire Police, then Deputy Chief Constable with the Hertfordshire Constabulary.
In 1975, he began his career with the Thames Valley Police. He progressed to become Assistant Chief Constable of West Yorkshire Police before taking on the role of Deputy Chief Constable for the Hertfordshire Constabulary.