Our Principals

Frank Iannantuoni

Senior Principal

Frank has more than 30 years experience as an accountant in public practice, including over 25 years as a principal with A.C. Morris & Co. He is a member of the Institute of Chartered Accountants Australia and New Zealand and the Tax Institute of Australia.
He provides advice to a wide range of clients, including advising business owners, property investors, estate planning and trustees of self-managed superannuation funds.

Darren Barnes

Senior Principal

Darren has worked as an accountant in public practice since 1991, after completing a Bachelor of Commerce Degree from UWA in 1990. He qualified as a Chartered Accountant in 1994 and became a principal of A.C. Morris & Co in June 2000.
He specialises in providing taxation, capital gains tax and superannuation strategy advice to personal investors, business clients and trustees of self-managed superannuation funds.

Mark Tulloch

Principal

Mark joined A.C. Morris & Co in 2002 and qualified a member of the Institute of Chartered Accountants in 2004. Mark is also a member of the Taxation Institute of Australia as a Chartered Tax Advisor and holds a Bachelor of Commerce from the University of Western Australia.
Mark became a principal of A.C. Morris & Co in July 2008 and advises both individual and business clients in tax compliance, planning and superannuation.
Mark has previously assisted the Institute of Chartered Accountants as a facilitator for their CA programme.

Ronald Setiadi

Junior Principal

Ronald joined A.C. Morris & Co in 2010 and became a principal of A.C. Morris & Co in July 2020. He is a member of the CPA Australia and an affiliate member of the Institute of Chartered Accountants.
Ronald provides services and advice across all aspects of accounting, taxation and business services for individuals, small business entities and self-managed superannuation funds.