Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. John Arthur Stevens, Baron Stevens of Kirkwhelpington KStJ QPM DL FRSA (born 21 October 1942) was Commissioner of Police of the Metropolis (head of the Metropolitan Police Service) from 2000 until 2005. From 1991 to 1996, he was Chief Constable of Northumbria Police before being appointed one of HM Inspectors of Constabulary in September 1996. He was then appointed Deputy Commissioner of the Met in 1998 until his promotion to Commissioner in 2000.