nbn Executive and Leadership Team

Ellie Sweeney, the Chief Executive Officer at nbn, directs the overarching strategic vision for the national broadband infrastructure. Sweeney manages the complex relationship with shareholder ministers while ensuring the corporation meets critical performance benchmarks for wholesale broadband delivery. By overseeing the entire organizational structure, the Chief Executive Officer drives efficiency across all departments to support the nationwide rollout of high-speed internet. This leadership role involves constant engagement with the Board to align operational goals with government mandates. Ellie Sweeney prioritizes the expansion of fiber-optic capabilities to bridge the digital divide across diverse Australian regions. Through rigorous oversight of capital expenditure and network deployment, the Chief Executive Officer secures the long-term viability of the national asset. Ultimately, Sweeney maintains the stability of the wholesale network, ensuring consistent service quality for retail providers and end-users throughout the country.

Adam Levy, the Founder & Chief Executive Officer at nbn, architects the foundational business models that underpin the national broadband strategy. Levy focuses on the long-term evolution of the network, ensuring the infrastructure remains adaptable to emerging telecommunications technologies. As the Founder & Chief Executive Officer, Levy aligns corporate objectives with the evolving demands of the Australian digital economy. This role involves high-level coordination with industry stakeholders to foster innovation within the wholesale broadband market. Adam Levy drives the strategic initiatives that define the company's market position, emphasizing scalability and reliability in network operations. By evaluating future-proof solutions for the national grid, the Founder & Chief Executive Officer ensures the corporation remains at the forefront of global connectivity standards. Through persistent focus on operational agility, Levy secures the competitive advantage of the network, ultimately supporting the broader economic growth of the nation.

Matthew Christensen, the Chief of Staff at nbn, coordinates the executive office operations to ensure seamless alignment between leadership priorities and departmental execution. Christensen manages the flow of information to the Chief Executive Officer, facilitating rapid decision-making processes across the organization. As the Chief of Staff, Christensen oversees the integration of strategic projects that span multiple business units, ensuring that corporate goals remain the primary focus. This role involves managing complex internal communications and stakeholder engagement strategies to maintain organizational cohesion. Matthew Christensen drives the implementation of governance frameworks that support the efficient delivery of broadband services. By streamlining administrative workflows and optimizing executive time, the Chief of Staff enhances the overall productivity of the leadership team. Through meticulous planning and cross-functional collaboration, Christensen supports the successful execution of the national broadband mission, ensuring that all operational activities remain consistent with the overarching corporate strategy.

Guy Scott, the Chief Technology Officer at nbn, directs the technical roadmap for the national broadband network, focusing on the deployment of advanced fiber and wireless infrastructure. Scott oversees the engineering teams responsible for maintaining network integrity and optimizing data throughput across the country. As the Chief Technology Officer, Scott evaluates emerging hardware and software solutions to enhance the capacity of the wholesale broadband platform. This role involves close collaboration with network operations to minimize latency and maximize uptime for retail service providers. Guy Scott drives the modernization of legacy systems, ensuring the network remains resilient against increasing data demands. By implementing cutting-edge diagnostic tools, the Chief Technology Officer improves the reliability of the national infrastructure. Through strategic investment in network upgrades, Scott ensures that the corporation provides robust connectivity, ultimately supporting the digital transformation of Australian businesses and households on a massive scale.

Dushy Vithiya, the Manager, Portfolio, Governance & Program Delivery & Chief Technology Officer at nbn, manages the complex governance frameworks required for large-scale infrastructure programs. Vithiya oversees the portfolio management office, ensuring that all technology-related projects adhere to strict budgetary and timeline constraints. As the Manager, Portfolio, Governance & Program Delivery & Chief Technology Officer, Vithiya aligns technical delivery with corporate risk management policies. This role involves coordinating with cross-functional teams to ensure that program milestones meet the rigorous standards of the national broadband rollout. Dushy Vithiya drives the implementation of standardized delivery methodologies to improve operational efficiency across the technology division. By monitoring project performance metrics, the Manager, Portfolio, Governance & Program Delivery & Chief Technology Officer identifies potential bottlenecks and executes corrective actions. Through disciplined oversight of program lifecycles, Vithiya ensures the successful transition of new technologies into the operational network, maintaining high service standards.

Guy Liyanage, the Principal Architect & Chief Technology Officer, Network & Systems Nbn Co at nbn, designs the complex network architecture that supports the national broadband infrastructure. Liyanage oversees the integration of diverse systems, ensuring that the core network remains scalable and secure. As the Principal Architect & Chief Technology Officer, Network & Systems Nbn Co, Liyanage develops the technical blueprints for future network expansions and upgrades. This role involves analyzing system performance data to identify opportunities for architectural optimization. Guy Liyanage drives the adoption of cloud-native technologies and virtualized network functions to enhance service delivery. By collaborating with engineering teams, the Principal Architect & Chief Technology Officer, Network & Systems Nbn Co ensures that all system designs meet the stringent requirements of the wholesale broadband market. Through meticulous planning of network topology, Liyanage secures the long-term stability of the national infrastructure, facilitating seamless connectivity for millions of users.

Nina Lioznov, the Engineer - Core Network, Chief Technology Officer at nbn, manages the technical integrity of the core network infrastructure. Lioznov oversees the maintenance and troubleshooting of high-capacity routing and switching equipment that forms the backbone of the national broadband network. As the Engineer - Core Network, Chief Technology Officer, Lioznov implements security protocols to protect the network from cyber threats and service disruptions. This role involves analyzing traffic patterns to ensure optimal load balancing across the national grid. Nina Lioznov drives the testing and validation of new network components before deployment into the live environment. By providing technical expertise to the broader technology team, the Engineer - Core Network, Chief Technology Officer ensures that all core systems operate at peak efficiency. Through constant monitoring and proactive maintenance, Lioznov secures the reliability of the wholesale broadband service, supporting the critical communication needs of the entire Australian population.

Kirsty MacCulloch, the Interim Executive at nbn, provides temporary leadership across key operational divisions to ensure continuity during strategic transitions. MacCulloch oversees the execution of critical business functions, maintaining focus on service delivery and operational performance. As the Interim Executive, MacCulloch bridges the gap between departmental teams and the executive leadership, facilitating clear communication and goal alignment. This role involves assessing current operational workflows and implementing immediate improvements to enhance efficiency. Kirsty MacCulloch drives the resolution of complex challenges that arise during organizational shifts, ensuring that the national broadband mission remains on track. By providing stability and direction, the Interim Executive supports the ongoing efforts of the corporation to provide reliable wholesale services. Through a focus on immediate impact and long-term sustainability, MacCulloch ensures that all business units continue to function effectively, supporting the broader objectives of the national broadband network during periods of change.