
IMPACT 2026
MELBOURNE

DAY 1 SPEAKERS

DAY 1 SPEAKERS
Day 1: AI, data, and tech advancements – what it means for performance audit
DAY 1 will explore how AI, data and emerging technologies are rapidly reshaping the world in which performance auditors operate. Through global perspectives and real-world examples, we’ll unpack the opportunities, risks and ethical challenges ahead, including what it takes to maintain trust, integrity and accountability in our changing environment.

Andrew Greaves
Auditor-General, Victorian Auditor-General's Office
After serving as Victorian Auditor-General since 2016, in 2023 Andrew was reappointed for another 7-year term. Andrew has over 35 years of experience in public sector external and internal auditing at the federal, state and local government levels. He was the Auditor-General of Queensland from 2011 to 2016.

Tina Kim
Deputy Comptroller for State Government Accountability, New York Office of the State Comptroller
Tina Kim is the Deputy Comptroller for State Accountability in the New York Office of the State Comptroller. She previously served as the Office of the New York City Comptroller's Deputy Comptroller for Audit. Tina is member of the Government Accountability Office’s Domestic Working Group, the American Institute of Certified Public Accountants' (AICPA) Assurance Services Executive Committee, AICPA’s AI Working Group, and CPA Canada’s AI Working Group.

Dave Barry
Deputy Auditor-General, Victorian Auditor-General's Office
Dave is responsible for operations at VAGO, overseeing corporate services and VAGO's audit business units (financial audit and parliamentary reports and services). A key focus of this is delivering better and lower-cost outcomes for our clients and the wider Victorian community.

Dr Liming Zhu
Research Director, CSIRO
Dr Liming Zhu is a Research Director at CSIRO and former head of Data61, Australia’s national digital and AI research capability, and is a conjoint professor at University of New South Wales. A recognised leader in AI engineering and responsible AI, he contributes to the International AI Safety Report, OECD.AI work on Risks and Accountability, ISO AI standards, and Australia’s AI safety standards and guidance.

Bola Oyetunji
Auditor-General for NSW, Audit Office of NSW
Bola Oyetunji is an experienced leader with senior public and private sector roles in Australia and internationally, and qualifications in economics, finance and executive leadership. After starting his career with two Big Four firms, he joined the Audit Office of NSW in 2001, moved to the Australian National Audit Office in 2018, and returned to Sydney as Auditor-General for NSW in April 2024.

Associate Prof. Yee-Fui Ng
Associate Professor, Monash University
Yee-Fui Ng is an Associate Professor at Monash University who researches public law and political integrity, and a 2021-22 Fulbright Scholar. She is the author of Combatting the Code: Regulating Automated Government Decision-Making in Comparative Context (Cambridge University Press, 2025). Her work has been cited by the High Court of Australia, State Supreme Courts, federal and state parliaments, as well as various government inquiries.

Dr Simon Longstaff AO
Executive Director, The Ethics Centre
Dr Simon Longstaff has been Executive Director of The Ethics Centre since 1991, working across business, government and society. He has a PhD in philosophy from Cambridge University, is a Fellow of CPA Australia and of the Royal Society of NSW, and an Adjunct Professor of the AGSM at UNSW. Simon was made an Officer of the Order of Australia (AO) in 2013.

Maria Eugenia Heyaca
Head of Tech and analytics for Anti-corruption, integrity and open government, OECD
María Eugenia leads AI, data and technology for anti-corruption and public integrity at the OECD. She previously led digital transformation at the European Court of Auditors and held senior roles at France’s Cour des comptes. Before entering the public sector, she spent nearly a decade at BlackRock as an investment strategist. Her expertise spans AI and digital transformation in government, and her current doctoral research examines the organisational transformation of public bureaucracies.

Stephen McAteer
Senior Manager, Data Science, Victorian Auditor-General's Office
Stephen is a data science leader with a background in mathematical physics and operations research. Before joining VAGO, he worked in data analytics and operations research across the defence, telecommunications, and postal and logistics sectors. At VAGO, he established and leads the performance audit data science capability. He has a passion for using data and scientific thinking to advance VAGO’s mission to improve the lives of Victorians.