nbn Executive and Leadership Team

Guy Scott, the Chief Technology Officer at nbn, directs the overarching technical strategy for the national broadband infrastructure. Overseeing the deployment of advanced fiber and wireless technologies, the Chief Technology Officer ensures the network meets the evolving digital demands of the Australian population. This leadership role involves managing complex engineering roadmaps and coordinating with government stakeholders to maintain service reliability. By optimizing network performance and scalability, Guy Scott directly impacts the efficiency of wholesale broadband delivery across the country. Scott prioritizes the integration of next-generation hardware to support long-term connectivity goals. Through rigorous oversight of technical standards, the Chief Technology Officer secures the stability of the national digital backbone. This position requires constant alignment with industry advancements to keep the infrastructure competitive. Ultimately, Scott drives the technological evolution necessary to bridge the digital divide in both urban and regional markets.

Nina Lioznov, the Engineer - Core Network, Chief Technology Officer at nbn, manages the critical architecture of the national core network. Focusing on high-capacity data transmission, the Engineer - Core Network, Chief Technology Officer designs robust systems capable of handling massive traffic loads across the entire Australian landscape. This role involves troubleshooting complex routing issues and implementing security protocols to protect wholesale data integrity. By refining the core network topology, Nina Lioznov directly enhances the speed and consistency of internet services provided to retail service providers. Lioznov coordinates with cross-functional teams to ensure seamless integration between regional nodes and the central backbone. This leadership function demands precise technical execution to minimize latency and prevent service disruptions. Through continuous monitoring of network health, the Engineer - Core Network, Chief Technology Officer maintains the operational excellence required for a national utility. Lioznov secures the foundation of the network for future growth.

Dushy Vithiya, the Manager, Portfolio, Governance & Program Delivery & Chief Technology Officer at nbn, oversees the strategic alignment of technology investments with corporate objectives. Managing the complex portfolio of infrastructure projects, the Manager, Portfolio, Governance & Program Delivery & Chief Technology Officer ensures that all technical programs adhere to strict governance frameworks and delivery timelines. This role involves balancing resource allocation across multiple large-scale initiatives to maximize the return on government investment. By establishing rigorous reporting standards, Dushy Vithiya directly improves the transparency and accountability of the technology division. Vithiya coordinates with executive leadership to prioritize projects that offer the greatest impact on national broadband coverage. This leadership position requires meticulous planning to mitigate risks associated with large-scale network rollouts. Through the implementation of standardized delivery methodologies, the Manager, Portfolio, Governance & Program Delivery & Chief Technology Officer drives operational efficiency. Vithiya ensures the successful execution of critical infrastructure milestones.

Guy Liyanage, the Principal Architect & Chief Technology Officer, Network & Systems Nbn Co at nbn, designs the complex systems architecture that supports the national broadband network. Overseeing the integration of diverse hardware and software platforms, the Principal Architect & Chief Technology Officer, Network & Systems Nbn Co ensures that the network remains modular and scalable. This role involves evaluating emerging technologies to determine their suitability for the national infrastructure. By architecting resilient system frameworks, Guy Liyanage directly supports the long-term sustainability of the broadband network. Liyanage collaborates with engineering teams to translate high-level strategic goals into actionable technical designs. This leadership function requires deep expertise in network protocols and system interoperability to maintain seamless connectivity. Through the development of innovative architectural solutions, the Principal Architect & Chief Technology Officer, Network & Systems Nbn Co drives the modernization of the entire network ecosystem. Liyanage secures the technical future of the organization.

Kirsty MacCulloch, the Interim Executive at nbn, provides temporary leadership oversight to ensure continuity across key corporate functions. Managing the transition of critical projects, the Interim Executive maintains stability within the organization during periods of leadership change. This role involves engaging with stakeholders to uphold the mission of providing wholesale broadband access to all Australians. By facilitating communication between departments, Kirsty MacCulloch directly supports the ongoing operational requirements of the corporation. MacCulloch monitors performance metrics to ensure that service delivery remains consistent with government mandates. This leadership position requires a versatile approach to problem-solving and a deep understanding of the company's regulatory environment. Through the effective management of internal resources, the Interim Executive drives the completion of essential business tasks. MacCulloch ensures that the organization continues to meet its strategic goals without interruption. This role remains vital for maintaining the momentum of the national broadband rollout.