Sir Ronald Flanagan (born 25 March 1949) is a retired senior Northern Irish police officer. He was the Home Office Chief Inspector of Constabulary for the United Kingdom excluding Scotland. Sir Ronnie was previously the Chief Constable of the Police Service of Northern Ireland (PSNI) since its creation in 2001 to 2002, and had been Chief Constable of its predecessor, the Royal Ulster Constabulary (RUC) until 2001. Career Born in Belfast, Flanagan joined the Royal Ulster Constabulary (RUC) in 1970 while studying physics at The Queen's University of Belfast. He served his first three years in the Queen Street Barracks before achieving the rank of sergeant and transferring to the Castlereagh station. He was promoted to Inspector in 1976. In 1982 he became a Detective Inspector in the Special Branch and was promoted the following year to Chief Inspector. In 1990 he took on the role of Chief Superintendent and transferred to the Police Staff College in Bramshil where he was the First Director of the Intermediate Command Course, progressing to the Senior Command Course. In 1992 he returned to duty with the RUC as Assistant Chief Constable of Operations, later taking on the responsibilities of Operational Commander for Belfast. He was appointed as head of Special Branch in 1994 and was promoted to Acting Deputy Chief Constable the year after. He became the Deputy Chief Constable proper in 1996, and when Chief Constable Hugh Annesley retired later that year, Flanagan succeeded him. When the PSNI was established in 2001, he served as Chief Constable until his retirement the following year. He was replaced by Hugh Orde. Since then he has served in Her Majesty's Inspectorate of Constabulary and was appointed as HM Chief Inspector of Constabulary in 2005. He was tasked to review the police arrangements in Iraq in December 2005 as part of the British involvement there. Following his retirement in December 2008, Denis O'Connor succeeded him as Her Majesty's Acting Chief Inspector of Constabulary. After leaving British policing, Flanagan took up the post of strategic adviser to the Abu Dhabi Police Force, a post he held for almost two years until he succeeded Lord Condon as chairman of the International Cricket Council's Anti-Corruption & Security Unit (ACSU). 2007 Police Ombudsman Report On 22 January 2007 a report by the Police Ombudsman for Northern Ireland, Nuala O'Loan, made findings of collusion between members of the proscribed paramilitary organisation,