Trustees List & Information
David Lewis
David is the Chair of the Society. He chairs the meetings of the trustees who make up the Society's Executive Committee. David also chairs the Society's Policy Sub-Committee. He has a keen interest in issues as diverse as planning, transport and energy.
A retired senior civil servant, David lives in Llanbedr.
Margaret Thomas
Margaret is the Vice Chair of the Society. She takes a particular interest in improving the fabric of the National Park and chairs the Enhancement Sub-Committee. Her interests include improving access, conservation and wildlife gardening.
A recently retired consultant in Countryside Management, Margaret lives in Gwydr Forest above Ty Hyll. A passionate hill walker, she has walked the mountains of Eryri extensively over the last 30 years and is now finding time to explore the coast and valley routes.’
Katherine Himsworth
Katherine is the Secretary of the Society. A Welsh speaker, she has a particular interest in developing the rural economy to improve the performance of local businesses.
A keen mountain walker, Katherine has a wide experince of public administration.
Pat Clayton
Pat Clayton became Treasurer of the Society in 2008. Pat leads on financial matters including budgets and managing the Charity's investment policy.
Pat has a wealth of experience in business and the voluntary sector. She has learnt Welsh to a fluent standard as an adult
Richard Williams-Ellis
Born and brought up in Caernarfonshire, Richard is now conservation farming in the Meirionydd uplands, providing rural tourism accommodation and activities.
Richard was instrumental in re-establishing a Meirionydd branch of CPRW in 2002, being its first Chair, he is now a vice President.
Gareth Roberts
Trained as an art historian and geographer Gareth is a qualified planner with experience working in local and national park authorities in England and Wales. He became a Trustee after retiring as head of Environmental Policy at the Countryside Council for Wales in 2006.
A Director of the Landscape Research Group, Ltd., he now acts as an advisor to the International Centre for Protected Landscapes and selected Council of Europe sponsored networks that work in support of the European Landscape Convention.
Marc Thomas
Rob Collister
Rob is an International Mountain Guide. A former staff member at Plas Y Brenin, he now works on a freelance basis. He and his wife, Netti, have been members of the Society for over 30 years
Rob is also an author and wrote Snowdonia - Park under pressure, a history of the Snowdonia National Park and the Snowdonia Society.
Netti Collister
Netti works as a vet. She enjoys hill walking, climbing, skiing and mountain biking and is interested in training dogs having worked as a search dog handler in a mountain rescue team until recently. She and Rob have three grown up children
David Firth
David lives in Beddgelert. He is a retired Head of an Outdoor Activities centre.
He has been a trustee of the Society for many years and has served as Chair and Vice Chair.
Bob Lowe
Bob has been a member of the Society for over 35 years.
He is now retired from CCW having previously worked for the Snowdonia National Park Committee.
His interests are in the fields of promoting National Park purposes and securing sustainable rural development.
David Archer
Now retired, David previously worked for the Snowdonia National Park Authority. His interests include landscape and wildlife conservation, and a low carbon economy.
He lives in Llandecwyn and enjoys walking and climbing in the British hills and further afield
Morag McGrath
Morag currently edits the Society magazine, is a former Chair of the Society and has many years experience as a trustee. She has particular interests in conservation, rural development and hill walking. Initially qualified as a plant ecologist, she has spent most of her working life in social policy research. She now lives on Anglesey.








