Member profile: Jonathan Ortner

Jonathan Ortner FTI

Jonathan Ortner, FTI, Jonathan Ortner is a partner in Arnold Bloch Leibler’s taxation group and practices in all areas of direct and indirect tax with a particular focus on the taxation of trusts, cross-border tax issues and corporate income tax (including mergers and acquisitions, capital management strategies and corporate restructures). Jonathan advises a range of clients, including ASX listed companies, family offices, high-net-worth individuals and large private groups. He also manages complex tax disputes with the Australian Taxation Office at all stages of the lifecycle, including through the Australian courts. Jonathan is a keen and active member of the tax community. As well as presenting on tax topics at various sessions and authoring a number of published articles, papers and bulletins, Jonathan is the Chair of the Tax Institute’s SME committee, a former member of the GST committee and the co-chair of the ATO’s Private Groups Stewardship Group. Jonathan is also recognised as a key tax lawyer in the Legal 500 Asia Pacific and is recommended by Who’s Who Legal: Australia and New Zealand 2023 report, in the area of corporate tax. - Current at 27 May 2026