Duncan has over 30 years’ experience as a chartered accountant and business advisor in Australia and internationally. He recently retired as a Principal in the Corporate Finance division of RSM Australia Pty Ltd. He previously worked for the large accounting firms KPMG and Crowe Horwath. He has also worked as the CFO for a small listed company APA Financial Services in Australia.

Duncan has worked in a diverse selection of industries with a particular focus in mining, manufacturing, government, not-for-profit, property, transport, retail and primary producer sectors. His experience covers a wide range of areas including business valuations, due diligence, business planning, financial mentoring and advisory services for Indigenous entities.  Duncan has provided short-term assistance to the Tjuntjuntjara community in Spinifex country totalling about 14 weeks, since December 2020.

He was a Board Member of the Esperance Tjaltjraak Native Title Aboriginal Corporation from 2016 to 2018.  He has been a Board member of the Autism Association of Western Australia for many years.  Since December 2020, he has been a director on the Board of South Coast Natural Resource Management Inc, and Chair of their Audit Committee since May 2021.