Heidi is a highly respected senior leader with extensive experience across the national security domain, spanning cyber security, finance and big tech. With a career built on driving intelligence, operational excellence, risk management and strategic transformation, she has successfully led diverse teams through complex cybersecurity challenges - earning a reputation for inclusive leadership, collaboration, and integrity in protecting and strengthening Australian’s against cyber threats.

Heidi currently serves as Assistant Director-General, IRONBARK FRONTIER, within the Australian Signals Directorate (ASD). In this role, she oversees ASD's taskforce focused on understanding and addressing the implications of frontier artificial intelligence for cyber security. While continuing to provide strategic oversight of ASD's Cyber Uplift activities, she works closely with Government and Industry to assess their cyber defences and provide recommendations to build cyber resilience for Australia’s critical networks across Government, Critical Infrastructure and the Defence industry.

Prior to joining ASD Heidi undertook a number of senior roles within the private sector with a remit that ranged from social media content and policy operations, to intelligence and analytics for financial crime threat mitigation.