Prof John McMillan AO is an Emeritus Professor at the Australian National University, where he taught administrative and constitutional law from 1983-2003. He is a co-author of Control of Government Action: Text, Cases and Commentary (2022, 6th ed).

John has held the statutory positions of Commonwealth Ombudsman (2003-10), Integrity Commissioner (Acting) for the Australian Commission for Law Enforcement Integrity (2007), Australian Information Commissioner (2010-15), NSW Ombudsman (Acting) (2015-17), and member of the Australian Copyright Tribunal (2015-17).

John has since conducted reviews of Australian government legislation and programs – including the medicinal cannabis scheme (2019), the My Health Records Act (2020), a Federal Court data breach (2020), ABC complaint handling (2022), and currently the Modern Slavery Act.

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