Plaid Cymru Gwynedd Team

Cynghorydd Dyfrig Siencyn

Dyfrig Siencyn, Plaid Cymru Gwynedd and Gwynedd Council Leader

Councillor Dolgellau Ward

Dyfrig Siencyn was born and bred in Dolgellau and although he lived in a smallholding at Llanfachreth for a period, Dolgellau continues to be his home. He has spent most of his career with Farmers Marts a co-operative auctioneer company as a chartered rural surveyor and an animals, furniture and antiques auctioneer. He was Chief Executive of the company that is firmly rooted in the old counties of Meirionnydd and Caernarfon from 1988 until he was appointed Plaid Cymru Deputy Leader of Gwynedd Council in 2014. In 2017, he was elected by the Plaid group of county councillors to Plaid Cymru's Gwynedd Leader and Leader of the County Council.

He began his political career as Plaid County Councillor for Dolgellau ward in 1996 and has chaired several scrutiny committees over the years. He was a member of the Snowdonia National Park Authority from 1996 to 2017. During his time as deputy leader he had responsibility for the Welsh language, community safety and the county's corporate services.

Some of Dyfrig Siencyn’s current roles include Chair of the North Wales Ambition Board, Co-Chair of the Rural Forum, Chair of the Trawsfynydd Overview Board and Vice Chair of the Gwynedd and Anglesey Public Services Board.

He has two sons, two daughters and six grandchildren and continues to farm a handful of sheep at his former home at Llanfachreth. He also enjoys cycling.


Nia Jeffreys, Deputy Leader of Plaid Cymru Gwynedd and Gwynedd Counci

Councillor Porthmadog East Ward

Born and raised in Porthmadog, Nia Jeffreys was educated at Ysgol Eifionydd, and returned home to live and raise her family in her locality, after a career working in communications. She was elected County Councillor for Porthmadog East in 2017 and is active as a member of the CaruPort community group.

During her career, she has lived abroad, in London and Cardiff, working in communications for private, public and charitable organisations, before returning to her beloved Porthmadog. Having studied social politics, she began her career working in the House of Commons for Plaid Cymru's Member of Parliament, Dafydd Wigley, who remains one of her all time heroes. She went on to work for British Gas, Chwarae Teg, Asthma UK and then Natural Resources Wales.

The economy and communities are Nia's main responsibilities as deputy leader of Plaid Cymru Gwynedd on the County Council, two areas that are very close to her heart.

Cai Larsen, Chairman of Plaid Cymru Gwynedd

Councillor Caernarfon Ward

Cai Larsen is a native of Penisarwaun but has lived in the town of Caernarfon with his wife, for almost 40 years. He has spent his career in education and has had a positive influence on the education of many children and young people in the area but has now retired from his role as a primary school headteacher.

Cai was elected County Councillor for Seiont, Caernarfon in 2017 and among his many roles within the community he works voluntarily with Porthi Dre, he is board chairman of Cwmni Dre and sits on the management board of Adra housing association. Cai is the Deputy Mayor of Caernarfon and is a Caernarfon Town Councillor.

His interests and responsibilities on the County Council include education and economy, planning, democracy and the Welsh language. He is a prominent face of Plaid Cymru politics, is a member of the national executive committee and has held a number of positions over the years. He has a keen interest in voting patterns within all levels of government; local, national and UK.

Cai said: "It is a privilege to chair the largest group in the history of Gwynedd Council since its formation. Chairing a group with so much enthusiasm and variety of members can be challenging at times, but it is also an extremely valuable and worthwhile experience."

He has five children and is a grandfather of three.

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