Ian Johnston CBE, QPM is the Chief Constable of the British Transport Police. He became Chief Constable on 1 May 2001 when he succeeded David Williams, who had served as Chief Constable for three and a half years. He joined the Metropolitan Police in 1965 and served as Staff Officer to former Metropolitan Police Commissioner, Peter Imbert. Commanders Badge of the Order of the British Empire (Military division) The Most Excellent Order of the British Empire is a British order of chivalry established on 4 June 1917 by King George V. The Order includes five classes in civil and military divisions; in decreasing order of seniority... The Queens Police Medal is awarded to police officers in the United Kingdom for distinguished service or gallantry. ... The British Transport Police (BTP) is a non-Home Office national police service responsible for policing the railway system throughout Great Britain. ... May 1 is the 121st day of the year in the Gregorian calendar (122nd in leap years). ... 2001 (MMI) was a common year starting on Monday of the Gregorian calendar. ...

He moved to Kent Constabulary in 1989, where he served as Assistant Chief Constable in charge of first Administration and Supply, and then Operations, before moving back to the Metropolitan Police in 1992 as a Deputy Assisstant Commissioner.

In 1994 he was appointed Assistant Commissioner for the South East London area, but in 1999 moved to Assistant Commissioner with responsibilty for Territorial Policing in 2000.

In the 1995 New Years Honours list he was awarded the Queen's Police Medal and in the 2001 Queen's Birthday Honours list the CBE. The Queens Police Medal is awarded to police officers in the United Kingdom for distinguished service or gallantry. ... Commanders Badge of the Order of the British Empire (Military division) The Most Excellent Order of the British Empire is a British order of chivalry established on 4 June 1917 by King George V. The Order includes five classes in civil and military divisions; in decreasing order of seniority...