Siobhán Fenton is a writer and journalist.

Her writing analysing Irish and northern Irish politics has been published by The Irish Independent, The Irish Times, The Guardian The New Statesman and Vogue. She has appeared as a political commentator for outlets including RTÉ, the BBC and Sky News. She writes about Irish political strategy, with a particular focus on left-wing parties’ strategies, on Substack.

Her memoir ‘Ourselves Alone- Sinn Féin Behind Closed Doors’ reflecting on her time as a senior communications adviser to Sinn Féin in the Oireachtas parliament from 2020-2024 will be published by Penguin on 10th September 2026.

Her first book The Good Friday Agreement was published in 2018 and she has delivered lectures and seminars about the Good Friday Agreement and Northern Irish politics at universities including the University of Cambridge, Queen’s University Belfast, Cardiff University and the University of Tübingen in Germany. She was a contributing writer to the Repeal The 8th Anthology, writing about abortion legislation in the north of Ireland.

She holds a BA in English Literature from the University of Oxford, MA in Journalism from City University London and MPhil in Gender Studies from the University of Cambridge.