Our People

Board members

Kate Evans

Kate Evans is an Energy Lawyer at Capital Law and is based in Cardiff. Kate’s focus lies within renewable energy, as well as low carbon transport and infrastructure projects.

Robert Firth

Robert Firth

Board Trustee

Robert Firth is a qualified business coach, based in Cardiff. He is currently President of the Royal Society of Architects in Wales, and is a Distinguished Visiting Fellow at Cardiff University.

Diane McCrea

Diane McCrea MBE

Chair of the Board

Diane has many years’ experience as a Chair including for Natural Resources Wales, Consumer Council for Water Wales, and Shelter Cymru.  She has been a Board member with Transport Focus, Assured Food Standards, and is a Trustee of All Saints Educational Trust. 

Nia Lloyd

Board Trustee

Nia is the Marketing and Communications Officer for Keep Wales Tidy where she works on a wide range of digital platforms to support volunteers and staff along with events and campaigns.

Derek Osborn

Board Trustee and Former Chair

Derek Osborn, has many years’ experience as a policy analyst at national and international levels. Previous roles include working within the civil service, where he led the UK preparations for the first Rio Earth Summit in 1992.

Robert Edge

Board Trustee

Robert Edge is an experienced public sector manager having worked for The British Council, the Arts Council of Wales and the Royal Welsh College of Music and Drama before founding his own consultancy business.


Sarah Hopkins

Director | Cyfarwyddwr

Sarah joined the Cynnal Cymru team in January 2020, where she will be responsible for managing the charity, securing income and expanding our reach across sectors, across Wales.

Clare Sain-ley-Berry

Policy and Development Manager

Clare has worked in the sustainable development field for the past 15 years – motivated by the drive for global justice represented by the UN Sustainable Development Goals and the opportunity to help organisations demonstrate – and capitalise on – the role that the natural environment plays in underpinning social and economic well-being.

Lynsey Jackson

Programme Manager | Rheolwr Rhaglen

Bringing together her design background with digital communication and marketing, Lynsey leads on the strategic development of Cynnal Cymru’s Membership and the Sustain Wales Awards, developing the behind-the-scenes systems and processes as well as looking after the brand identity and online communications.