Joanna Cavan Biography Joanna is an interception, communications data and digital forensics specialist. She was the Head of the Interception of Communications Commissioner’s Office (IOCCO), responsible for overseeing the interception and communications data activities of UK intelligence agencies, police forces and other public authorities. She is a trusted commentator on communications data and oversight and is regularly called to give evidence to Parliamentary Committees. Prior to joining IOCCO, Joanna was an independent expert witness in relation to forensic telecommunications (cell site – location analysis) and represented the prosecution or defence in a large number of serious and high profile criminal court cases. Joanna has a broad range of experience working in private industry and with Government, industry regulators, forensic telecommunications companies and Communication Service Providers (CSPs).