Siobhán Cummiskey

Senior Director of Content Policy, Regulatory Compliance Meta

Siobhán Cummiskey is a Content Policy Director at Meta where her global team writes and interprets guidelines for how the company responds to government demands to remove content and how Meta complies with online safety regulation. Prior to joining Meta in 2012, Siobhán practiced as a lawyer, including serving as Managing Solicitor at the Irish Traveller Movement Law Centre. She has worked in human rights law in the UK, India and Malawi. She is a qualified lawyer in Ireland and the State of New York and holds an LL.B. from the University of Dublin, Trinity College and a first class honours LL.M. in Human Rights Law from the University of Nottingham. Siobhán is an Adjunct Associate Professor in Digital Policy at University College Dublin where she lectures on online safety regulation.

Conference Day Two - 24th March 2027

4:30 PM Closing Panel Debate – One Platform Compliance Model: Ambition or Fantasy?

Platform regulation is outgrowing the structures created to manage it, leaving Legal, Compliance and Trust & Safety with overlapping mandates but no settled model for working together. This debate asks what the next generation of platform governance should look like and whether integration, independence or a federated model offers the strongest path forward. It will examine how platforms can build clear accountability and regulatory discipline without losing Trust & Safety's ability to anticipate emerging harms and act ahead of the law.

• Defining future ownership across Legal, Compliance, Trust & Safety and Product.

• Designing accountability from legal interpretation through monitoring and assurance.

• Preserving proactive harm prevention beyond minimum compliance obligations.

Check out the incredible speaker line-up to see who will be joining Siobhán.

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