Mr Matt Yannopoulos commenced as the Secretary of the Department of Finance on 29 September 2025.
Previously, Mr Yannopoulos was the Associate Secretary at the Department of Defence, where he deputised for the Secretary and oversaw the Department’s service delivery and reform functions to ensure Defence had the workforce, money, facilities, ICT, data management and legal arrangements in support of national security. Mr Yannopoulos was the Capability Manager for Defence business information system programs delivering improvements to Defence’s human resource, health and information management systems. He also oversaw Defence’s support to the Royal Commission into Defence and Veteran Suicide.
Prior to his appointment as the Associate Secretary of Defence, Mr Yannopoulos was the Deputy Secretary Budget and Financial Reporting at the Department of Finance where he was responsible for providing policy and financial advice to the Government on expenditure and non-taxation revenue policy issues.
Mr Yannopoulos has held previous government positions including Chief Operating Officer in the Department of Health and Deputy Secretary, Senior Responsible Officer for the Child Care Reform Implementation at the Department of Education.
Mr Yannopoulos was awarded a Public Service Medal in January 2019 for his achievements in this role.
Other positions include First Assistant Secretary, Portfolio Investment Division and Chief Information Officer at the Department of Health as well as other significant roles such as Portfolio CIO of the Department of Immigration and Border Protection.
Mr Yannopoulos has an accounting and information technology background and is an accredited FCPA.
