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Grant Thornton overhauls tax team leadership


A change at the national managing partner for tax position has seen reappointments throughout the business.

By Josh Needs 12 minute read

Grant Thornton has overhauled its tax leadership from the top down, appointing Sandie Boswell as national managing partner for tax and recruiting or promoting six others.

The firm said Ms Boswell, who would take over from Nicole Bradley, had over 20 years of experience in R&D incentives and government programs, as well as a laser focus on the tax industry along with a passion for tax reform. 

“I’m thrilled to be appointed national managing partner for tax at Grant Thornton,” said Ms Boswell. 


“With the regulatory landscape constantly changing and issues such as multinational tax and Australian tax reform increasingly in the news, we have a wonderful team of taxation experts adept at supporting our clients to grow.” 

Along with the change at the managing partner level, the firm also confirmed Thomas Isbell would be taking over as head of national specialist tax. 

Mr Isbell brought with him over 20 years of experience in firms across the UK and Australia and in his previous position advised on a range of international employment and expatriate tax issues. 

Head of tax in Melbourne Daniel Kave has also been appointed to a specialist position, head of corporate tax at Grant Thornton. 

Mr Kave joined Grant Thornton from PwC in 2005 and had provided expertise across corporate tax advice and complex areas such as consolidations, corporate structuring, and planning and tax loss utilisation. 

As part of the changes, Grant Thornton also appointed Himashini Weeraratne as the head of its financial services tax. 

Ms Weeraratne joined the firm from Deloitte in 2018 and had since provided tax advisory and compliance services to financial service providers, fund managers and superannuation funds. She brought extensive knowledge of regulatory and taxation issues to the role.

After coming to Grant Thornton late last year also from Deloitte, Kristina Popova has been appointed as state taxes partner, specialising in advising clients about transactions from a revenue law perspective across all states and territories. 

Her role would also include unpacking details surrounding upcoming state budget tax announcements as well as discussions regarding stamp duty reforms and land tax. 

With a background in law and business, Rebecca Iwanuscha has been appointed to partner of the firm’s innovations incentives practice.

Ms Iwanuscha’s primary focus would be on supporting businesses to grow through innovation and assisting them to access funding support for future growth. 

The firm also announced Michael Catterall as the head of tax in Sydney, who brought with him extensive experience advising on corporate and international tax matters both in Australia and the UK. 

It said Mr Catterall had specialist expertise in assisting firms as they established themselves in the Australian market.

Josh Needs

Josh Needs


Josh Needs is a journalist at Accountants Daily and SMSF Adviser, which are the leading sources of news, strategy, and educational content for professionals in the accounting and SMSF sectors.

Josh studied journalism at the University of NSW and previously wrote news, feature articles and video reviews for Unsealed 4x4, a specialist offroad motoring website. Since joining the Momentum Media Team in 2022, Josh has written for Accountants Daily and SMSF Adviser.

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