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Meet the Board

Icon is a registered charity. Our Board of Trustees have ultimate responsibility for the organisation including compliance, finance, strategy and staff. Icon Trustees are both charity trustees and directors

All Trustees are Icon Members and must abide by Icon's Values and Code of Conduct.

Icon Siobhan Stevenson

Siobhan Stevenson


Siobhan Stevenson ACR is Head of Collections Care for National Museums Northern Ireland. A graduate in Archaeological Conservation, Siobhan has over 25 years’ experience in conservation, cultural practice and management including nine years as a lecturer and examiner at Cardiff University where she established the MSc in Collections Care. In 2002 Siobhan became Culture and Arts Manager for Belfast City Council, where she authored and implemented Belfast’s first Culture and Arts Plan and Integrated Cultural Strategy. Siobhan now manages a team of conservators, stores’ staff and technicians. 


Penny Bendall


Penny Bendall is a ceramics conservator with 25 years’ experience working on national and international collections for museums and private clients. She is a Royal Warrant Holder. A Trustee of The Queen Elizabeth Scholarship Trust, Penny is also Development Consultant for the Zibby Garnett Travel Fellowship, a Plowden Medal Trustee and is on the executive committee of the Lord Mayor of London’s Cultural Scholarship Scheme. Penny is involved in teaching and organising conferences on conservation ethics for art business, art law and art history postgraduates and the art world generally, including Sotheby’s and Christie’s.


Iain Boyd (co-opted)


Iain Boyd is a Guardian and the Chairman of the Society for the Protection of Ancient Buildings (SPAB). He has previously held other trustee and governance positions in education and with the Samaritans. Iain originally worked in banking followed by a career in advertising and television, working for J Walter Thompson and independently for Channel 4. From 1996, he worked in new media, founding and developing several businesses including Intermedia UK and publishing group C-stream. He holds a first degree in Psychology and an MSc in Conservation of the Historic Environment.


Sarah Cove


Sarah Cove is an Accredited paintings conservator, technical art historian and an Accredited NADFAS lecturer. She is a fellow of IIC and BAPCR and deputy chair of BAPCR. Following a BA (Hons) in Art History, she trained at the Courtauld Institute, Victoria & Albert Museum and the National Portrait Gallery. Sarah freelances for heritage and private clients, specialising in British paintings, especially portraiture, landscape and oil sketches. In 1986 she established the Constable Research Project. Sarah is also a member of the Steering Group of the Maritime Greenwich World Heritage Site.

Icon Nigel Dacre

Nigel Dacre


Nigel Dacre is the CEO and owner of Inclusive Digital, which he founded in 2007; clients include the Royal Society of Medicine and the National Jazz Archive. He is a director of Inclusive Digital subsidiary Local Digital News, and a non-executive director of Notts TV. He was elected Chair of the Local TV Network (LTVN) in May 2013. His previous roles include Director of Ten Alps Digital and Editor of ITV News. Nigel is also a Fellow of the Royal Television Society. Nigel has a longstanding interest in UK history, and is currently Editor of Centenary News.


Ylva Dahnsjo

Trustee Scotland

Ylva ​Dahnsjo is Head of Collections Conservation Services for the National Trust for Scotland. Ylva has a BA in English Language & Literature, an MA in Medieval Literature and Old Icelandic, and a HND in Library and Archive Conservation. She has been Accredited since 2000. Ylva is Head of Paper Conservation at Östergötlands Konserveringsateljéer and Royal Military Archives in Stockholm. Ylva was Head of the Book & Paper Conservation Studio, University of Dundee, from 1992-2005. She is a member of the Museums Association and a Fellow of the Linnean Society.


Megan De Silva

Trustee Wales

Megan de Silva studied Conservation of Objects for Museums and Archaeology and went on to be Social History Conservator at St Fagans National History Museum in Cardiff. She worked at the National Museum of Scotland before returning to Wales as Conservator for Monmouthshire Museums Service. Megan completed an MA in Professional Conservation and Collections Care at Cardiff University and sits on the Heritage Lottery Fund’s Committee for Wales. She also belongs to the stewardship group of the Federation of Welsh Museums, helping to organise the Conservation Matters in Wales Conference.

Icon Rebecca Hellen

Rebecca Hellen


Rebecca Hellen currently works as a paintings conservator, looking after displays and exhibitions for Tate Britain as well as study and care of the collection. After completing a Foundation in Art then BA Art History with History, she trained as an easel paintings conservator at the Courtauld Institute of Art. Work in private practice was followed by two years at the Conservation Centre, Liverpool, followed by the move to Tate in 2002. Recent research has focused on new methods for cleaning paintings and the techniques of British artists including JMW Turner and John Singer Sargent. Rebecca chairs Tate's elected consultative body, the Tate Staff Council.

David Howell profile

David Howell


David Howell worked in the sugar industry for three years after graduating in Chemistry. He then returned to academia and graduated in English Medieval Studies. David then spent 20 years at Historic Royal Palaces working mainly in textile conservation science. While there, he co-founded Hanwell Monitors and was principal investigator on the European-funded research project Monitoring of Damage in Historic Tapestries. David joined Bodleian Libraries 11 years ago and is now Head of Conservation Research. His main interest is non-destructive, non-invasive methods of revealing information from library material.


Charlotte Lester


Charlotte Lester trained in archaeology and conservation at Cardiff University before working on the British Museum’s Africa Programme. Charlotte then moved into higher education research management and policy working for Sheffield Hallam University and the University of Sheffield. Charlotte has worked on a variety of projects including interdisciplinary research initiatives, the creation of a new research institute and UK-wide survey and digital projects. She now works in higher education policy and her main interests lie in higher education research, learning and teaching and the student experience.

Peter Martindale

Peter Martindale


After graduating in Fine Art, Peter Martindale ACR undertook a three-year apprenticeship in the conservation of wall paintings at Canterbury Cathedral Wall Paintings Workshop. He then worked for a number of conservators in the private sector on wall paintings, paintings and stone before founding his own company in 2003. Over the years, Peter has played an active part in Icon Stone and Wall Paintings Group, co-organising a number of conferences. He is an Icon Mentor, member of the Science and Heritage sub-committee of the Royal Society of Chemistry and a trained yoga teacher.

Icon Caroline Peach

Caroline Peach


Caroline Peach has an MA in paper conservation from Camberwell College of Arts. She has worked in conservation and collection at Manchester Metropolitan University and the University of Oxford. In 2002 she joined the UK Institute for Conservation (UKIC) to redevelop the Conservation Register. She transferred to the Institute of Conservation, acting as Icon’s interim Chief Executive for six months in 2008. Caroline joined the British Library in 2009 as Head of the Preservation Advisory. In 2013 she set up her own consultancy business. Caroline is a member of the Archive Accreditation Committee and the Scottish Council on Archives.


Pierrette Squires


Pierrette Squires is the Conservator for Bolton Library and Museum Service. She is actively involved with the Green Museums Group and runs the NW Conservators Group. Her special interests include sustainability, preventive conservation, conservation ethics and collections management. Pierrette graduated with a BSc in Geography and Archaeology in 2001, then took UCL’s MA and MSc programme at the Institute of Archaeology. She was appointed Conservation Technician at Bolton Museum in 2004, and promoted to Conservator in 2006. In 2010 Pierrette achieved professional Accreditation.


Adam Webster


Adam studied English and Related Literature at the University of York, and after working as a conservation technician at the Wallace Collection, trained as an easel paintings conservator at the Courtauld Institute of Art. He has since worked at English Heritage, the Victoria and Albert Museum and in private studios as a paintings conservator. Moving to Wales in 2010 he became Chief Conservator Art at National Museum Wales, and Chief Conservator, Art and Natural Sciences, in 2013. He is a mentor and assessor for PACR. Adam is particularly interested in the development of practical conservation skills in the workplace.


Jenny Williamson


Jenny Williamson is an Accredited freelance paintings conservator at the National Library of Wales and lecturer at Aberystwyth University. After graduating from Cambridge University she trained in Conservation of Easel Paintings at the Courtauld Institute of Art. She moved to Wales in 1989 to work as Paintings Conservator at the Glynn Vivian Art Gallery, Swansea. Jenny established the first painting conservation studio in the National Library of Wales, and began teaching conservation issues to fine art and art history students at the university. Jenny organised Sharing Conservation Decisions conferences in 2011 and 2013 at NLW.