17th International Atax Tax Administration Conference
‘Resilient Tax Systems: Navigating Uncertainty’ | 6 - 7 April (Tuesday - Wednesday), 2027
6 - 7 April 2027
UNSW Business School
Pullman Sydney Hyde Park, Sydney, Australia
Conference program
Join us at the 17th International Atax Tax Administration Conference, Resilient Tax Systems: Navigating Uncertainty. Hear from and exchange ideas with leading tax researchers, policymakers, scrutineers, administrators and tax professionals from Australia and around the globe.
As tax systems confront rapid technological change, shifting geopolitical dynamics, and growing expectations of fairness and inclusion, this conference will examine the challenges and opportunities reshaping how the tax system is managed.
Through keynote addresses, policy discussions and leading-edge research, delegates will explore how resilient, effective and trusted tax administrations and other key stakeholders in managing the system can respond to uncertainty delivering meaningful outcomes for governments, taxpayers and society.
Key themes we explore include How Tax Administration Leaders Are Navigating Uncertainty, Who Is the Tax Gap Now?, What Can We Learn from Systemic Failures?, and Does AI Change Everything?
Day 2 we explore learning from across the world and continue our tradition of exploring the role of tax systems in promoting social justice and supporting vulnerable taxpayers. This includes exploring pioneering approaches to embedding Safey by Design by implementing Vulnerability Frameworks. On Day 3, we delve deeper into our social justice themes and lived practice when UNSW Tax and Business Advisory Clinic hosts a free Tax Clinic workshop.
Keynote speakers include Rob Heferen, Commissioner, Australian Taxation Office, Peter Mersi, Commissioner and CEO, Inland Revenue New Zealand, The Hon Justice Kyrou AO, President of the Administrative Review Tribunal, Ruth Owen, Tax Ombudsman and Catherine Fitzpatrick CEO, Diversity Council Australia.
Conference program coming soon
Attendees may be eligible to claim 10 plus CPD points. Please consult your professional association to determine eligibility.
Conference highlights include:
- Contemporary Tax Issues: Focus on how the Tax Gap is evolving, impact of AI and the future of tax administration and the profession.
- Service and Compliance Innovations: Discussing advances in tax service delivery, compliance, and sustainability.
- Explore important social justice issues including pioneering approaches to embedding ‘Safety by Design’ and implementing Vulnerability Frameworks into tax systems and their administration.
- Keynote Speakers: Insights from tax administration leaders including Rob Heferen and Peter Mersi, together with leading experts, advocates and scrutineers including The Hon Justice Kyrou AO, President of the Administrative Review Tribunal, Tax Ombudsman Ruth Owen, and Executive Director of the Center for Taxpayer Rights, Nina Olson.
- Research Presentations: Tax researchers from across the globe compete for the Cedric Sandford Medal with innovative research.
- Conference Dinner
Plenary speakers
Rob Heferen
On 1 March 2024 Mr Rob Heferen took up his role as Commissioner of Taxation to lead the Australian Taxation Office (ATO). Rob has dedicated his career to the Australian Public Service for the last 35 years, beginning in 1989 as a graduate at the Australian Customs Service. Over 35 years, he has accumulated diverse experience across policy development and program delivery in a range of portfolios, as well as representing Australia in international forums including the UN, the IEA and the OECD. For almost 20 years Rob’s interest and expertise in economics and tax policy led him to various roles in the Australian Taxation Office and Commonwealth Treasury, including leading the Secretariat for the Australia’s Future Tax System Review (the Henry Tax Review) and culminating in his role as Deputy Secretary, Revenue Group at the Commonwealth Treasury between 2011-2016, with responsibility for tax policy, tax legislation and revenue forecasting.
Rob’s other Senior Executive roles include Chief Executive Officer of the Australian Institute of Health and Welfare; Deputy Secretary of Higher Education, Research and International in the Department of Education, Skills and Employment; Deputy Secretary of Energy at the Department of the Environment and Energy (where he served as Australia’s representative on the International Energy Agency’s Governing Board); and Deputy Secretary of Indigenous Affairs at the Department Families, Housing, Community Services and Indigenous Affairs.
Rob is a proven leader of people, with an open, collaborative and authentic style and strong record of achievement in leading organisations to help shape and deliver on Government priorities.
Rob has a Bachelor of Arts (Hons) and Bachelor of Laws from the University of Tasmania, and a Graduate Diploma of Economics from the Australian National University.
Peter Mersi
Peter Mersi was appointed Commissioner and Chief Executive of Inland Revenue in July 2022.
Prior to this, Peter was the Secretary and Chief Executive for Transport (2016-2022), Chief Executive of Land Information New Zealand (2012 – 2016) and spent six months as the Acting Secretary and Chief Executive of the Department of Internal Affairs (2011-2012).
Peter has held senior leadership roles in Inland Revenue and the Treasury, where he spent 14 years primarily working on social policy and the public management system. He has also worked for the Department of Prime Minister and Cabinet, the Department of Labour, the Department of Trade and Industry, and the Bank of New Zealand.
Peter has an economics degree from Victoria University of Wellington.
Along with Gaye Searancke, the Chief Executive of Land Information New Zealand, Peter is the Co-Chair of Papa Pounamu, an initiative by Public Sector Chief Executives to support and grow diversity and inclusion in the public sector.
Justice Emilios Kyrou
Justice Emilios Kyrou has been a Judge of the Federal Court of Australia since June 2023. At that time, he was also appointed President of the Administrative Appeals Tribunal. Upon the establishment of the Administrative Review Tribunal in October 2024, he became its inaugural President and a member of the Administrative Review Council.
Between May 2008 and July 2014, Justice Kyrou served as a trial judge the Supreme Court of Victoria, and between July 2014 and June 2023 he served as a judge of the Victorian Court of Appeal.
Prior to his judicial appointment, Justice Kyrou was a senior litigation partner at Mallesons.
Justice Kyrou was an inaugural member of the Judicial Council on Diversity and Inclusion. He is the patron of the Australian Greek Welfare Society and the Victorian patron of the Hellenic Australian Lawyers Association.
In the 2023 Australia Day Honours, he was appointed an Officer (AO) of the Order of Australia ‘for distinguished service to the judiciary and to the law, to professional associations, and to the community’.
Ruth Owen
Ruth has recently been appointed to the role of Inspector-General of Taxation and Taxation Ombudsman. This is an independent statutory role contributing to the improvement of the administration of taxation and superannuation and supporting taxpayers and tax practitioners with resolution of their complaints to the ATO or Tax Practitioners’ Board.
Ruth brings a wealth of experience in tax, public administration, complaints management and dispute resolution, having spent more than 30 years in various senior leadership positions across the public sector in Australia and the United Kingdom (UK).
Ruth was previously a Director General and Tax Commissioner of His Majesty’s Revenue and Customs in the UK, Head of Profession for operational delivery in the UK Civil Service and Deputy CEO of Jobcentre Plus, the UK employment service and welfare service delivery agency.
In moving to Australia, Ruth joined EY Advisory as the lead partner in Human Services, providing professional services to Government and community sector clients, including publishing guidance on complaints management and supporting the National Redress Scheme for survivors of institutional child sexual abuse.
Most recently, Ruth spent over three years in NSW Government, as a Deputy Secretary at Education and then leading the delivery of public sector reform in the NSW Premier’s Department.
Ruth was awarded the CBE in the UK for her public service in reducing unemployment during the GFC.
Jeremy Hirschhorn
Jeremy Hirschhorn was appointed to the Second Commissioner role from 16 April 2020. He has overall responsibility for the ATO’s Client Engagement Group, which fosters willing participation in Australia’s tax and super systems through well-designed client experiences.
Jeremy has more than 20 years' experience in roles managing complex tax matters.
As Deputy Commissioner of Public Groups & International from April 2015, Jeremy was responsible for ensuring that the largest Australian and multinational companies were meeting their corporate tax obligations and providing the Australian community with confidence that these large companies were being held to account.
Jeremy also worked as Chief Tax Counsel, with responsibility for the provision of the ATO’s legal advice in relation to interpretation of the tax and super laws, when he joined the ATO in August 2014.
Prior to joining the ATO, Jeremy was a senior partner in KPMG’s tax practice.
Jeremy holds a Bachelor of Commerce and Bachelor of Laws from the University of NSW. He is a Chartered Tax Adviser and Chartered Accountant.
Nina Olson
Nina E. Olson is the Executive Director of the Center for Taxpayer Rights, a nonprofit that works to advance taxpayer rights in the United States and internationally. From March 2001 to July 2019, Nina served as the National Taxpayer Advocate, leading the Taxpayer Advocate Service, an independent organization within the Internal Revenue Service dedicated to assisting taxpayers resolve their problems with the IRS and making administrative and legislative recommendations to mitigate those problems systemically. Before serving as the National Taxpayer Advocate, Nina founded and directed The Community Tax Law Project, the first independent Low Income Taxpayer Clinic in the US. She also maintained a private legal practice, representing taxpayers in disputes with the IRS.
Kirsten Fish
Kirsten Fish is ATO Second Commissioner for Law Design and Practice. In this role, Kirsten has overall responsibility for the ATO’s law practice, including law interpretation, public advice and guidance, independent dispute prevention and resolution, and the ATO’s role in policy and law design. The Law Design and Practice Group serves the community, government and clients by ensuring the tax and super laws are informed, understood, administered and applied with confidence and integrity and is the respected and trusted as the authoritative voice of the Commissioner on matters of law and revenue analysis.
Kirsten joined the ATO in 2014 and the ATO’s Chief Tax Counsel from 2015, one of the highest legal authorities within the ATO, leading the Tax Counsel Network and providing technical leadership in relation to significant tax issues, cases and rulings. Kirsten was acting Second Commissioner for 12 months before being formally appointed to the role in October 2021.
Prior to joining the ATO, Kirsten was a tax Partner at Clayton Utz with a focus on the financial services industry and providing finance and investment transaction advice.
Kirsten holds a Bachelor of Commerce (Accounting), Bachelor of Laws (First Class Honours) and Masters of Law (Tax).
Jeremy Geale
Jeremy Geale is a senior partner in MinterEllison’s Tax Controversy team with over 25 years’ experience in managing complex tax matters across risk reviews, audits, and litigation. He has held senior roles at the Australian Taxation Office, including Acting Second Commissioner and Deputy Commissioner for Review and Dispute Resolution, and was previously a barrister specialising in tax. Jeremy brings clients unique insights from both sides of tax disputes, advising the ATO, high net worth individuals and major corporations on navigating tax engagements. He is a champion for the use of AI in professional practice, using it to not only reduce costs and improve quality but generate strategic insights and approaches for clients that were never previously possible.
Andrew Watson
Andrew Watson is Chief Data Officer and Deputy Commissioner Smarter Data Program at the Australian Taxation Office.
In this role, Andrew leads the development and scalable implementation of data analytics, automation, artificial intelligence and insights that support the Australian Taxation Office’s purpose and broader government priorities. This includes ensuring strong and ethical governance processes for our data and analytics holdings, as well as engagement in Australian Public Service wide initiatives.
He has over 30 years experience in the Australian Taxation Office and in that time, Andrew has held a number of key leadership positions in the ATO, including responsibility for the delivery of improved outcomes for individual taxpayers, working closely with tax professionals as key stakeholders in supporting taxpayers to meet their obligations, supporting small businesses and leading technology change.
Andrew holds a Bachelor of Economics from the University of Adelaide and a Masters of Business Administration (Public Sector Management) from Charles Sturt University.
Rowan Fox
Rowan is Deputy Commissioner, Small Business in the Australian Taxation Office, with responsibility for the small business, not-for-profit and government taxpayer segments and excise products. As a passionate supporter of inclusion and diversity in the workplace, she is proud to be an ATO Aboriginal and Torres Strait Islander SES champion. She has more than 10 years’ experience as a senior public service executive in service delivery, program management, whole-of-government service delivery transformation, policy and law design roles. She has held public service roles in several Australian government departments and in the UK and spent time in academia.
Steve Southon
Steve has been NAB’s Chief Tax Officer since March 2013. He has more than 34 years’ experience in taxation across many business sectors ranging from small business right through to international banking.
Steve holds Bachelor degrees in both Financial Administration and Law, Masters degrees in both Taxation and Law and is a member of Chartered Accountants Australia and New Zealand. Steve is a past President of The Corporate Tax Association and past member of the Board of Taxation Experts Panel. Steve is also currently Co-Chair of the Large Business Stewardship Group with the ATO’s Deputy Commissioner of Public Groups.
Research Paper Submissions
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We are now open for paper submissions via Call for Papers closing on Friday 30 October 2026. Successful presenters will be informed by the end of November 2026.
Abstract and conference paper submission: tblconferences@unsw.edu.au
Key dates
All dates are in Australian Eastern Standard Time
What
When
Abstract deadline
30 October 2026
Successful submissions notified
end of November 2026
Early Bird conference registration ends 31 December 2026 Presenter registration deadline
31 December 2026
Submission of full papers deadline
12 January 2027
Conference Dates
6 & 7 April 2027 (Tuesday & Wednesday)
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Early Bird rates available until 31 December 2026. Register now:
- Registration fee (full conference): AUD $985
- Tuesday, 6 April ONLY (excluding conference dinner): AUD $425
- Wednesday, 7 April ONLY (excluding conference dinner): AUD $425
- UNSW student Full conference: AUD $590
General Information
- Registration is open until 31 March 2027, or until sold out.
- All prices displayed in Australian Dollars (AUD) and inclusive of GST
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- Lunch, morning and afternoon tea on 6 and 7 April 2027
- Conference dinner on 6 April 2027
Conference accommodation
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Pullman Sydney Hyde Park
36 College Street Sydney NSW 2010
Phone: +61 2 9361 8400
Fax: +61 2 9361 8599
Email: H8763@ACCOR.COM -
Special accommodation rates are available to conference delegates at the Pullman Sydney Hyde Park for any length of stay between Monday, 5 April to Thursday, 8 April 2027.
Rooms are available from AUD $260 per night, inclusive of GST, per room (up to two guests per room).
Book early to avoid disappointment. This special conference rate is only available until 5 March 2027, or until fully booked, whichever occurs first.
Please note: Breakfast is not included in the room rate, and is available at an additional cost of AUD $30 per person, per day.
You are also welcome to contact the Pullman Sydney Hyde Park reservations team directly by phone or email. Please mention “UNSW International Atax Tax Administration Conference 2027” and the special delegate rate at time of booking.
Travel information
Pullman Sydney Hyde Park (36 College Street Sydney), is located directly opposite the historic and picturesque Hyde Park in the Sydney CBD. Easily accessible by public transport and only 10km from Sydney Kingsford Smith Airport and 8km from Sydney’s iconic Bondi Beach.
Walk just two minutes from the hotel to Museum railway station and bus stops.
Get directions to the Pullman Sydney Hyde Park from your starting location here.
Contact us
If you have questions regarding the program, registration or submissions, please email us.