Board of Trustees

Efa Gruffudd Jones (Chair)

Efa Gruffudd Jones

Having previously worked for the Welsh Language Board and the Arts Council of Wales, in 2000 Efa joined Urdd Gobaith Cymru, the largest youth movement in Wales, as their Director of Development. She was responsible for fundraising from various sources and for policy development. In 2004, she was appointed Chief Executive of the organisation. The number of staff employed, and the Urdd’s turnover, doubled during her period in the post. In 2016, Efa was appointed Chief Executive of the National Centre for Learning Welsh, the body funded by the Welsh Government to provide a strategic leadership for the field of Welsh for Adults in Wales. The Centre has developed a new curriculum and resources and has set up several innovative projects, including the ‘Work Welsh’ Scheme. In the past, Efa has been Vice-Chair of CWVYS, a trustee of the WCVA, and a member of the Welsh Language Partnership Council. Currently, Efa is a member of the Interim Youth Work Board, Wales. Read about Efa’s appointment as Chair here.

Dr Nia Edwards-Behi

Nia Edwards-Behi

Nia is S4C’s Diversity and Inclusion Officer. Whilst she was a post-graduate student at Aberystwyth University, Nia began her career as a member of the team at the Aberystwyth Arts Centre. During the decade she spent there – in roles as varied as Ticket Office Assistant, Cinema Technician and Marketing and Communications Assistant – Nia was responsible for bringing matters relating to accessibility and inclusion to the fore. Nia has a doctorate in Film Studies, and she is the Co-director of Abertoir, the Horror Film Festival. She joined S4C in December 2020.




Jacob Dafydd Ellis

Jacob Dafydd Elis

Jacob is the Lead Change Maker: Public Affairs and International for the Future Generations Commissioner for Wales. In his work from day to day, his main responsibilities include working with the Welsh Government and other public bodies to ensure they adopt the Well-being of Future Generations (Wales) Act. His wider responsibilities include promoting the Act on an international level, and taking the lead on the cultural brief. In 2019 he established the Future Generations Leadership Academy to support young people in gaining the necessary skills to enable them to face future challenges. Jacob was brought up in the Vale of Glamorgan; he studied Welsh and International Politics at Aberystwyth, followed by an MA in Broadcast Journalism at Cardiff. Jacob is also a member of Literature Wales’s Board of Trustees, and of Scouts Cymru.

Siôn Fôn

Sion Fon

Siôn is a lawyer who originally comes from the Nantlle Valley. He studied at Aberystwyth University, graduating with a BA in Drama and Theatre, Film and Television, before going on to work in the media sector as an actor and production assistant. He has experience of working on several theatre, film and television productions in all parts of Wales. Having made a decision to change careers, Siôn returned to Bangor University to study for a LLB degree in Law, before going on to the Chester University of Law (LLM LPC). Following a period of training with a company in Manchester, he now works for the Darwin Gray company as a commercial lawyer specialising in resolving disputes and matters pertaining to property. In his spare time, he is a keen supporter of the Wales football team and enjoys skiing, golf and the arts.

Arwel Gruffydd


Originally from Tanygrisiau near Blaenau Ffestiniog, North Wales and a graduate of Bangor University (BA Hons, Welsh). Further studies include post-graduate diploma in performance from the Webber Douglas Academy of Dramatic Art, London. Professional experience includes 20 years as actor in theatre, television, film and radio, and Literary Manager at former new writing theatre company, Sgript Cymru, Cardiff.  Then ten years as a director of first film and then theatre, including Associate Director at Sherman Cymru, Cardiff (2008–2011). His current position (since May 2011) is Artistic Director and Chief Executive of Theatr Genedlaethol Cymru (the Welsh-language national theatre of Wales). Arwel became a member of the Board in 2016.

Elwyn Jones

Elwyn Jones

Originally from Bala, Elwyn contributed to the local drama scene before studying Drama at Trinity College, Carmarthen. Later, he settled in Aberystwyth where he worked for Urdd Gobaith Cymru as the Eisteddfod organiser before joining the public relations company, Stratamatrix; he was with the company for 14 years and was promoted to Director. Elwyn joined the Welsh Books Council Marketing Department in 1997, and following a period as the Head of Administration and Public Relations, he was Chief Executive of the organisation from 2009 to 2017.




Gwyn Jones

Gwyn Jones (Mai 2021)

Gwyn was brought up on a farm in Tregaron, Ceredigion. Educated at Ysgol Gynradd Penuwch and Ysgol Uwchradd Tregaron, he graduated with a BSc in Mathematics and Computer Studies at the University of Wales, Cardiff.

He started working with Dyfed County Council in 1976 as a Trainee Accountant. In 1979 he was appointed Internal Auditor with Ceredigion District Council in Aberystwyth, and in 1996 he was promoted to the post of Chief Internal Auditor.

When Local Government was restructured in 1996, he was appointed Chief Internal Auditor to Ceredigion County Council, and promoted to the post of Ceredigion Director of Finance in 2002. In 2013, as part of the County Council’s internal restructuring, he was appointed Strategic Director – Corporate Resources, a post he held until his retirement in 2015. Between 2001 and 2015 he was also Honorary Treasurer to the Welsh Books Council.

In the past, his main interests were playing rugby and an occasional round of golf, but nowadays he enjoys playing bowls in Aberaeron, cycling, walking, and enjoying the company of his grandchildren.

Fiona Phillips

Fiona Phillips

Fiona was brought up in west Wales, in a community which is a hive of Welsh-language arts activities. She studied for a LLB degree in Law and Welsh, together with the diploma course in legal practice (LPC), at Cardiff University. Having trained and qualified with the legal company Morgan LaRoche, Fiona now specialises in corporate law and work pertaining to businesses. As this year’s chair of Penybont Young Farmers Club, Carmarthenshire, and one of the leaders of Aelwyd Hafodwenog, Fiona delights in being at the centre of the social life of her community. As she had studied for her degree through the medium of Welsh, Fiona was made a member of the Gorsedd of Bards at the Cardiff National Eisteddfod.

Catherine Rees

Catherine Rees

Catherine Rees is Senior Manager for Corporate Affairs and Human Resources with Coleg Cymraeg Cenedlaethol. Her fields of expertise are Human Resources and Governance, and in 2017 she won the Wales Human Resources Award for the best use of the Welsh language in the field of Human Resources.

Catherine was brought up in Pwll, a village near Llanelli, and graduated in Welsh from Bangor University. Following periods working as a Careers Officer in Newport, and as a producer of radio programmes with BBC Radio Cymru in Swansea, Catherine and her family emigrated to live in the Netherlands, and later the USA. Having returned to Wales, she started working for Menter a Busnes, the economic development company, as a researcher, project manager, director, and eventually as Deputy Chief Executive, focusing in particular on Human Resources and project management. She has worked with several companies and organisations to help them in developing their business and was a member of the Welsh Language Board until 2012. She now lives in Carmarthen, but retains a foothold in Llanelli.

Rhys Miles Thomas

Rhys Miles Thomas

Having been brought up in the Carmarthenshire village of Alma, Rhys now lives in Barry in the Vale of Glamorgan. Rhys has worked in the creative field for over twenty years – as an actor, dancer, choreographer, author in both Welsh and English, and director. With his company GlassShot, Rhys has produced, directed and toured Welsh and English plays throughout Wales. Previously, Rhys was Head of the Digital Department for the training company, Cyfle. He specialises in the digital field – particularly in transmedia work, which entails telling a story across different platforms – and he has been a guest speaker at a number of international conferences. He takes a particular interest in the way in which disabled people and characteristics are represented in ‘mainstream’ works for theatre.

Gwyn Williams

Gwyn Williams

Gwyn Williams is S4C’s Director of Communications. After working at Nant Gwrtheyrn Language Centre for a year, Gwyn started his career in the media by working for BBC Radio Cymru in Bangor. Later, he worked on the programmes Newyddion 7 and Hel Straeon before starting his own company. He was one of the founder members of Cwmni Da, and later the chief executive of Barcud, the resources company based at Caernarfon.  He has been a Communications Director with the Welsh Language Commissioner, and joined S4C as Communications Director in 2015.



Meilir Rhys Williams

08 12 2018Pic: Andrew James Cdf PhotographicTheatr Genedlaethol Board Meeting

Meilir Rhys Williams is an actor from Llanuwchllyn. He was educated at Ysgol Gynradd O. M. Edwards, Llanuwchllyn, and Ysgol Uwchradd y Berwyn, Y Bala. He decided to follow a career as an actor after attending a summer course arranged by National Youth Theatre Wales in 2006. He studied for a diploma in Performance Studies at the Liverpool Institute for Performing Arts in 2007, before graduating from the Royal Central School of Speech and Drama in 2010 with a BA in Acting.

Since graduating, Meilir has performed with several theatre companies in Wales and beyond, including with Theatr Genedlaethol Cymru in ‘Y Storm’ and ‘Deffro’r Gwanwyn’. He has also appeared on television in various programmes, and he can now be seen regularly in the popular television series ‘Rownd a Rownd’, playing the part of Rhys.