Beckley graduated in Law from the University of Durham (University College).[3] He spent four years working in development and education in Africa before joining the police.[4]
In parallel with these posts he also held the national portfolio for citizens in policing and later for counter-terrorism and matters of race and faith.[4] This was followed by time as Chief Operating Officer of the new College of Policing from July 2013 to 2016, after which he was appointed an Assistant Commissioner in the Metropolitan Police simultaneously with his appointment to his role with Operation Resolve.[5] In April 2018, in his role with the Home Office, he responded to the investigation into Operation Midland by recommending a move away from police automatically believing victims to one in which victims were reassured they were being listened to.[6]