is Chair and Director of UQ Cyber Security, a multi-disciplinary cyber security initiative at the University of Queensland, Australia. His cyber security research focuses on data provenance, cloud data flow tracking and cyber attack attribution. He serves as expert advisor, board member, and director to several public and private sector organisations, including the INTERPOL, ISO, Nyriad, NZX-listed Livestock Improvement Corporation (LIC), Cloud Security Alliance, European Research Council, Standards Australia, Singapore’s IT Standards Committee, Government of Tonga, NZ's Minister for Communications' Cyber Security Skills Taskforce, Ministry of Business Innovation and Employment, Ministry of Justice and the NZ Defence Force’s Defence Technology Agency (DTA).
Prior to UQ, he established NZ's first cyber security graduate degree programmes and university research lab (CROW) at the University of Waikato in 2012, co-founded the annual New Zealand Cyber Security Challenge since 2014, wrote the initial draft of the NZ diploma in cyber security national curriculum, and co-established the New Zealand Institute of Security and Crime Science in 2017.
His research has informed both policy and practice; he has patented, standardized (ISO/IEC 21878) and published more than 100 publications in the area of Cyber Security, Data Provenance, Homomorphic Encryption and Cloud Computing Security.
Prior to academia, he was a lead computer scientist with HP Labs with several of his inventions commercialized as HP security products used by government agencies including the USA Treasury and IRS, and the Singapore GCloud.
From 2014 to 2018, he served as Principal Investigator of STRATUS, a NZD12.2mil (incl. GST) MBIE Endeavour Fund grant researching user-centric cloud security technologies. He received his PhD and B.Engineering(Hons)(Computer Engineering) from Nanyang Technological University, Singapore, and is Fellow of the Cloud Security Alliance, member of IEEE Computer Society, the Royal Society of New Zealand, and a life member of the ACM.