Paul Rock (politician)

Paul Rock (born ) is a Welsh politician who has served as a member of the Senedd (MS) for Caerdydd Ffynnon Taf since May 2026. A member of the Wales Green Party, he is one of the first two Green MSs.

Early life and career

Rock was born in Bromley, Greater London, England, in to an English mother, an NHS nurse, and a Welsh father, who began working in the coal industry at the age of 13. He was raised in a Christian family in Skegness, Lincolnshire and attended Kingston University, where he studied physics. While at university, he developed an interest in information technology (IT) and has described himself as a member of the "ZX81 generation".

Following his graduation, Rock worked at Kingston University before moving to Llandaff North in Cardiff, Wales, in 1997. Rock has worked in IT for most of his career and, prior to the 2021 Senedd election, he became involved in local grassroots environmental campaigning and served as a school governor.

Political career

In the 2022 Cardiff Council election, he stood as a Common Ground Alliance candidate (an electoral pact between the Greens and Plaid Cymru) for Llandaff North. He placed third, receiving 581 votes (12%), and was not elected.

In the 2026 Senedd election, Rock was elected as a Member of the Senedd (MS) for the six-member Caerdydd Ffynnon Taf constituency, with the party receiving 9,036 votes (10.2%). He was the Green Party's lead candidate for the constituency and became one of the first two Green MSs, alongside Anthony Slaughter, Leader of the Wales Green Party. Following the election, Rock and Slaughter nominated Leader of Plaid Cymru Rhun ap Iorwerth for appointment as First Minister of Wales.

In June 2026, Rock became a member of the Senedd Climate Change, Environment, Sustainability and Rural Affairs Committee, and a guest member of the Business Committee, which is responsible for deciding the dates of the Senedd recesses.

Electoral history +ElectionSeatPartyVotesPercentage (%)ResultSourceCardiff Council, 2022Llandaff NorthCommon Ground Alliance58112Senedd, 2026Caerdydd Ffynnon TafWales Green Party9,03610.2

Personal life

Rock is married. He is a Christian. In an interview with Cytûn, he described his faith as an "intrinsic part" of his upbringing and family. Rock has said that he became a member of the Wales Green Party after reading the party's manifesto and finding that its policies most closely aligned with his political positions and Christian values. He has referred to social justice and transport as issues of importance to him.

Rock commutes to the Senedd by bicycle via the Taff Trail, and after his election he had arrived at the Senedd by bicycle to take the oath as an MS. He has described himself as a train enthusiast. He has said that one of his favourite activities as an MS is showing students and schoolchildren around the Senedd.

Paul Rock (politician)

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