National Convention & Exhibition 2024


20 – 22 AUGUST 2024

Rona Mellor PSM

Acting Auditor-General for Australia


Ms Rona Mellor PSM was appointed acting Auditor-General commencing on 16 February 2024, following the resignation of the fifteenth Auditor-General Grant Hehir. Rona commenced her position as Deputy Auditor-General with the Australian National Audit Office in July 2015. As Deputy Auditor-General, Rona was responsible for quality and operational delivery of financial auditing, performance statements and performance audit programs undertaken by the Australian National Audit Office, as well as for its corporate management.  

Before becoming Deputy Auditor-General, Rona was Deputy Secretary for Biosecurity in the Department of Agriculture, Deputy CEO at Medicare Australia and Deputy Secretary in the Department of Human Services. In all these roles she had responsibilities covering legislation, regulatory compliance, business transformation and corporate functions including in significant reform agendas.  

Rona spent 20 years with the ATO leading areas such as development and implementation of new policies with Treasury and tax technical leadership, as both a First Assistant Commissioner and Senior Tax Counsel. Rona has qualifications in law (LLB, University of Queensland) and experience in large-scale, operational environments. Rona was awarded the PSM in the Queen’s Birthday Honours List for 2013 for outstanding public service in the development and implementation of biosecurity, taxation and health system policies and projects.