Fiona Dillon CTA

Fiona is the Chief Tax Counsel at the ATO. In this role, Fiona leads the resolution of the ATO’s most significant tax technical issues. Working predominantly in technical roles prior to this, Fiona has helped shape the strategic direction of the ATO’s Public Advice and Guidance, was a longstanding member of the ATO’s Public Ruling Panel and a member of the ATO’s General anti-avoidance rule Panel; as well as spending a number of years in private practice. For almost two years Fiona served as Minister-Counsellor (Taxation) in the Australian delegation to the OECD based in Paris. In that role, she chaired the Joint International Taskforce on Information Sharing and Collaboration (JITSIC) on behalf of the Commissioner and represented Australia in other OECD taxation initiatives.

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