History of the Metropolitan Police Service been headed by a Commissioner, rather than a Chief Constable which is the highest rank in police forces outside London. The first Commissioners to hold the post were Lieutenant-Colonel Sir Charles Rowan and Sir Richard Mayne. When Sir Charles Rowan died, leaving Sir Richard Mayne as the surviving Commissioner, Captain William Hay was drafted in to jointly run the force with Mayne. However, because the two Commissioners did not agree on methods of running the force, since 1855 it was decided that only one Commissioner would run the force. Metropolitan Police patrols took to the streets on 29 September 1829,
Metropolitan Black Police Association change the membership criteria and the Met BPA has received full support from the Commissioner of the Metropolitan Police Sir Bernard Hogan-Howe QPM, The Right Honorable Theresa May Member of Parliament for Maidenhead and The Right Honorable Boris Johnson Member of Parliament for Uxbridge & South Ruislip and Lord Mayor of London. Metropolitan Black Police Association The Metropolitan Black Police Association is a staff association in the United Kingdom which represents officers and staff in the Metropolitan Police who are black or Asian. The Met BPA was not subsumed into the National Black Police Association and has continued to exist