Don O'Brien

Title
Partner - Tax

Experience
Don has over 30 year’s Corporate Tax experience including 16 years as a Partner in mid tier and Big 4 accounting firms. For more than five years Don was on the International Tax Committee of a world-wide accounting firm.

Don has extensive experience in tax advocacy including representing taxpayers in dispute resolution and negotiation with the Australian Tax Office. He specialises in the following areas:

  • domestic and international tax planning
  • tax advocacy
  • due diligence/mergers and acquisitions
  • Capital Gains Tax
  • clubs and not-for-profit associations
  • private companies


Sector experience
Over his career Don has built and led Tax teams and has wide experience in advising on inbound and outbound investments to a range of multi-national clients in industries such as property and construction, manufacturing, retail and communication.

He has also represented industry associations in policy discussions with government agencies. Don is currently a member of the ATO/Clubs Consultative Forum.

Professional qualifications and memberships

  • Masters of Taxation (Sydney University)
  • Institute of Chartered Accountants in Australia
  • Bachelor of Business Studies (majoring in accounting)


Contact details
T +61 2 9286 5735
M +61 418 668 354
E Don.Obrien@au.gt.com