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Speaker Biography: Dr Stephen Hart Dr Stephen Hart’s career has come full circle, from the hands-on technical world of the 1980s to the ethical frontiers of 2026. He began his professional journey on the shop floor as an Apprentice Telecommunications Technician with Telstra, where he was responsible for the operation

Christopher Nunn, is a Principal Security Consultant, SCEC Endorsed Security Zone Consultant, and Certified Counter Terrorism Practitioner with 20+ years of experience in physical security design and assurance across critical infrastructure, transport, defence, and government environments. He is currently the D&C Security Manager for the $11B Sydney Metro Western Sydney

Andrew Tatrai is the Founding Director and Principal of ACESGroup and the Co-Founder of Dynamic Crowd Management. With over 40 years of experience across entertainment, large scale international events, venue management, security operations, technology and risk management, Andrew is recognised as a leader in risk, safety and crowd management. His

Ian Clark is the Insider Risk Lead at Uber, where he focuses on insider threat and the human factors that drive employee security behaviour. He has spent the past five years building and operating insider risk programs that look beyond purely malicious activity to address the more common reality of

Warren Doudle is the Director of Sec Risk, a risk management consultancy based in Perth, Western Australia. He is also a Senior Lecturer in Security Science and Leads the Security and Intelligence Research Group at Edith Cowan University (ECU). With nearly three decades of experience across defence, critical infrastructure, resource

Associate Professor Michele Verdonck is an occupational therapist and researcher at the University of the Sunshine Coast, Queensland. She completed her PhD on environmental control systems and now investigates how automation and smart technologies can support people with physical disabilities in their homes. Michele’s work focuses on collaboration between technology

Nazli Hocaoglu is an Australian legal, governance, and technology executive specialising in AI-driven crowd intelligence, security operations, and ESG leadership. She currently serves as Chief Executive Officer of Dynamic Crowd Measurement, an organisation focused on using artificial intelligence, machine learning, and predictive analytics to improve crowd safety, event management, and

As a Director, Insider Threat, Global Security and Investigations, Lou is responsible for building and leading Uber’s insider threat program. Their program thoroughly identifies and resolves potential insider threats that could harm Uber. With more than 26 years in federal law enforcement and 8 years in Big 4 public accounting

Dr Nicola Lockhart is a Lecturer in Security Science at Edith Cowan University and a researcher whose work sits at the intersection of security practice, governance, and law. She completed her PhD in Security Risk in 2025, with doctoral research examining how corporate security functions shape organisational decision-making — exploring

Mark has over 30 years’ experience in the IT industry with 21 of those at Microsoft in various roles across the globe. As the National Security Officer for Microsoft Australia & New Zealand, Mark is responsible for working with governments, industry regulators, customers and partners, to ensure that the Microsoft