David Cullen

Managing Director, Scyne Advisory (GAICD)

Greater Melbourne Area

About

David is a recognised cyber security expert specialising in national cyber preparedness, crisis coordination and resilience uplift across government and critical infrastructure sectors. With two decades of public sector experience, he brings a strong jurisdictional and operational perspective on how cyber strategy and policy translates into frontline outcomes. David is widely respected for his work strengthening cyber preparedness and response arrangements at the intersection of government, industry and emergency management. His career spans senior cyber security leadership, strategic program delivery and specialist intelligence roles focused on transnational organised crime and national security, providing a practical understanding of the national security and societal impacts of cyber risk. David previously served as the Victorian Government Chief Information Security Officer, where he advised government on statewide cyber security strategy and policy and oversaw the delivery of large-scale cyber uplift programs across the public sector. In this role, he led the establishment of the Victorian Government Cyber Incident Response Service and the Victorian Government Cyber Incident Management Framework, significantly improving cross-government coordination and reducing the scale, impact and severity of cyber incidents across the public sector. At the national level, David represented Victoria on the National Cyber Security Committee, where he developed a deep understanding of the challenges associated with achieving consistent cyber preparedness, interoperability and coordination across jurisdictions. He was responsible for establishing the National Operations Subcommittee, focused on improving operational readiness and coordination during nationally significant cyber events. David is a recipient of the Resilient Australia Award for his contribution to improving Victoria's cyber resilience. He holds a Master of Public Policy and Management and is a Graduate of the Australian Institute of Company Directors (GAICD).

Experience

  • Managing Director at Scyne Advisory
    Apr 2026 - Present · 3 mos

  • Independent Member - Program Control Board at Triple Zero Victoria
    Sep 2024 - Present · 1 yr 10 mos

    Independent Member of the Program Control Board overseeing the delivery of the Next Generation CAD program.

  • Independent Member - Audit and Risk Committee at Victoria Police
    May 2024 - Apr 2026 · 2 yrs

    Independent Audit and Risk Committee (ARC) member, providing independent assurance to the Chief Commissioner of Police that Victoria Police's risk and control environment is operating effectively and efficiently.

  • Director, National Cyber Advocacy and Uplift at CISO Lens
    Sep 2023 - Mar 2026 · 2 yrs 7 mos

    Strengthening partnerships between government and private industry to enable better national cyber security outcomes.

  • Department of Premier and Cabinet (Vic) (5 yrs 7 mos)
    • Victorian Government Chief Information Security Officer (Executive Director)
      Aug 2022 - Sep 2023 · 1 yr 2 mos

      Responsible for implementing Victoria’s Cyber Strategy across the Victorian public sector, and coordinating government’s response to statewide and nationally significant cyber incidents. Designated state controller for cyber security emergencies.

    • A/g Victorian Government Chief Data Officer (Executive Director, Victorian Centre for Data Insights)
      Mar 2022 - Nov 2022 · 9 mos

      Executive Director of the Victorian Centre for Data Insights and Victorian Government Chief Data Officer, driving data capability uplift for the public sector through delivery of expert data strategy, policy, analytics and technical services. Responsible for legislative functions under the Data Sharing Act 2017.

    • Director - Strategic Partnerships, Analytics and Innovation
      May 2021 - Mar 2022 · 11 mos

      Established an internal government consulting service to help government departments and agencies solve complex data problems and build new data capability. Managed a multi-million-dollar work program through various multi-disciplinary teams delivering expert data strategy, analytics, reporting and governance services.