Alison Allighan
Conservation Officer
Alison has a BSc (Hons) and MSc in Environmental Sciences from Sheffield and Manchester Universities, focussing on Landscape Management. She is also a Chartered Member of the Landscape Institute (CMLI). She was the Garden History Society’s Conservation Officer for Scotland from 2004 to 2013 and later Scotland’s Garden and Landscape Heritage Consultant from 2015 to 2023, dealing largely with planning and forestry-related casework, and historic landscape survey and recording work with volunteers. Initially the GHS Conservation Casework Manager, she has undertaken the same role for the Gardens Trust since 2015.
Daniel Bowles
Conservation Officer
Daniel joined the Gardens Trust in 2020 as a volunteer social media editor after graduating from university studying History and French, with a focus on working within the heritage sector. He joined the conservation team in 2021 to assist with conservation casework whilst also continuing his voluntary editorial role.
Teresa Forey-Harrison
Finance Officer
Teresa joined the Association of Gardens Trusts in 2011 as the AGT Co-ordinator. She has a local authority/Health Service background in management support, leisure and event management and ISO auditing.
Catherine Ford
Administration and Membership Officer
Linden Groves
Head of Operations and Strategy
Linden has worked in the landscape conservation sector for almost 30 years, starting as Assistant Editor of Historic Gardens Review, before becoming part of the conservation team of the Garden History Society, and then taking a role with the Association of Gardens Trusts on its volunteer capacity building project in 2013. She has additionally worked as a freelancer specialising in children in the historic environment for organisations such as English Heritage, the National Trust and Historic England. Her co-authored book ‘The Gardens of English Heritage’ won the Garden Media Guild’s ‘Inspirational Book of the Year’ award in 2010 and she is now working on a history of playgrounds for Liverpool University Press.
Tara Tanjga
Fundraising Development Officer
Tamsin McMillan
Lead Volunteer Support Officer
Tamsin studied physical geography and landscape archaeology at university. Her PhD, examined the arboriculture of West Country parks, post-1660. Tamsin worked on the English Heritage Register of Parks and Gardens of Special Historic Interest in Gloucestershire, then spent five years as an Historic Environment Adviser at Hilary Taylor Landscape Associates Ltd in Nottingham. She started her new role with the Gardens Trust in 2016.
