National Data Commissioner

The Data Availability and Transparency Act 2022 (DATA) Scheme establishes a new best practice scheme for sharing Australian Government data, underpinned by strong safeguards and consistent, efficient processes. 

The National Data Commissioner is the regulator of the DATA Scheme and provides advice and guidance about its operation. The National Data Commissioner also delivers education and support for best practice data handling and sharing. 

National Data Commissioner 

Gayle Milnes

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Gayle Milnes

Gayle Milnes commenced with the Office of the National Data Commissioner (ONDC) in December 2021 and was appointed National Data Commissioner in April 2022. 

In a range of policy, statutory and regulatory roles across the Australian Public Service, Gayle has driven nationally significant reforms, strengthened enterprise data governance and management and been a heavy data user across a range of sectors.

Prior to commencing with ONDC, Gayle led the Data, Analytics and Policy Division, Department of Infrastructure, Transport, Regional Development and Communications, where amongst other things she championed the use of data to support program and policy development, including through the establishment of the National Freight Data Hub.

Gayle has held other senior leadership positions in the Australian Public Service, including CEO of the Climate Change Authority, with the Department of the Environment and the Department of Foreign Affairs and Trade. 

Gayle began her public service career as a graduate at the Reserve Bank of Australia after studying economics at the University of Melbourne.