People of the Senedd

Sioned Williams MS

Sioned Williams MS

Senedd Regional Member

Plaid Cymru

Plaid Cymru Group

South Wales West

My Senedd Activities

How is the Welsh Government supporting local authorities in South Wales West to meet net-zero targets?

Tabled on 10/07/2024

Safer skin: the role of schools in preventing skin cancer.

For debate on 25/06/2024

How does the Government ensure that any projects it funds do not impact negatively on the local environment?

Tabled on 12/06/2024

This Senedd: 1. Notes Carers' Week 2024 (10-16 June) and this year’s theme of Putting Carers on the Map. 2. Recognises the vital contribution unpaid carers make to the lives of the peop...

For debate on 10/06/2024

How does the Government ensure that the residents of South Wales West have confidence in health services?

Tabled on 06/06/2024

Will the Cabinet Secretary provide an update on reforming the governance arrangements of Wales’s fire and rescue services?

Tabled on 05/06/2024

More information and calendar events

Detailed information: Sioned Williams MS


Personal history

Sioned Williams grew up in the Gwent valleys and was educated at Ysgol Gymraeg Cwmbrân and Ysgol Gyfun Cwm Rhymni. She lives in Alltwen, in the Swansea Valley with her husband Daniel and their two teenage children. Sioned is fluent in Welsh. After graduating in Welsh and English from Aberystwyth University, she was awarded the S4C T.Glynne Davies Scholarship to study for a postgraduate diploma in Journalism at Cardiff University.

Professional background

Sioned was a journalist with BBC Wales before going to work for Swansea University as Welsh Language Policy Officer and then as Communications and Development Manager at Academi Hywel Teifi. As part of her work at the University, she helped establish and co-managed Tŷ’r Gwrhyd, the Swansea Valley’s Welsh language centre. She has also worked for Plaid Cymru as Head of Strategic Communications. Sioned is a well-known reviewer and commentator on broadcasting and the arts for Welsh broadcast and print media and has adjudicated the Daniel Owen Memorial Prize at the National Eisteddfod and the Crown competition at the Urdd National Eisteddfod. She is a former Board member and Chair of the Bursaries Panel at Literature Wales.

Political history

Sioned was Community Councillor for Alltwen and Chair of Cilybebyll Community Council  before being elected as Member of the Senedd for South Wales West in the 2021 Election.


Terms of office

  1. 08/05/2021 -

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Cross Party Membership


Media Assets

Calendar events: Sioned Williams MS