Ellen returned to Australia from the UK in late 2016, where she was Head of Policy for the Open Data Institute (ODI), an international non-profit founded by Sir Tim Berners-Lee and Sir Nigel Shadbolt. While in the UK Ellen was also ministerial adviser on data to senior UK cabinet minister Elisabeth Truss. She has held roles as Manager of Digital Policy and Projects for the International Federation of Library Associations and Institutions (Netherlands) and Executive Officer for the Australian Digital Alliance. She is an independent consultant on data sharing, open data and AI ethics for organisations including Data61, Knowledge Unlatched, Queensland government and the Open Data Institute Australian Network. She is the author of Made by Humans: the AI Condition (Melbourne University Publishing, 2018).