Arthur is a Partner with Thomson Geer Lawyers, and is an Accredited Tax Law Specialist and a widely published writer on taxation issues having written many articles and books on taxation.  He regularly appears in the mainstream media, and presents at tax seminars and discussion groups.  Arthur qualified as a Chartered Accountant in 1987, and has held senior taxation and management positions in the transport and motor vehicle industries.

He has extensive experience in all areas of direct and indirect taxation and main area of practice is dispute resolution, particularly in the SME sector, with both the ATO and the SRO.

Arthur has many years of experience in complex tax litigation and tax audit negotiations and settlements, as well as broad experience in the taxation of entities, with an emphasis on Division 7A.

Arthur is a former President and Life Member of the Tax Institute, chair of the Tax Law Specialist Accreditation Board and was appointed as Adjunct Professor La Trobe University Law School in January 2019. He has been recognised as a Leading Lawyer in Tax in Victoria by Doyles (2017 – 2021) and also in Trusts and Estates by Best Lawyers (2022-24).