The Trustees

Prof. Roger Crofts is the Chairman of the Sibthorp Trust.

Prof. Edward Maltby is the Director of the new Centre for Sustainable Water, Integrated Management and Ecosystem Research (SWIMMER) at the University of Liverpool. He is also the Director of the Wetland Ecosystems Research Group (WERG), which is now part of SWIMMER's core.

Camilla Toulmin is Director of the International Institute for Environment & Development (IIED). An economist by training, her work has focused on social, economic, and environmental development in dryland Africa. This has combined field research, policy analysis, capacity building and advocacy, with strategic management of the institute. It has involved engaging with people at many different levels from farmers and researchers, to national governments, NGOs, donor agencies and international bodies. Principal areas of interest involve land and property rights, pastoral livestock development, climate change, common property resources. Camilla is a board member of WWF-UK, Royal African Society, African Studies Association and Aduna (working to promote African arts and cultural exchange). She is also a member of the Franco-British Council.

Tricia Henton is a geologist by background with long experience in many aspects of environmental management, gained in both the public and private sectors. She worked in river purification boards and pollution control before joining Aspinwall & Co in 1983. Whilst in environmental management consultancy she worked on a wide range of issues including waste management and verification of corporate environmental reports. In 1995 she joined the Scottish Environment Protection Agency as Director of Environmental Strategy, becoming Chief Executive in 2000. Whilst at SEPA she was responsible for production of the National Waste Strategy Scotland and SEPA's Environmental Strategy. Tricia has been a member of many committees including the RSPB Council and NERC. She chaired Defra's Regulatory Agencies Strategy Board and the Forestry Commissioners' Advisory Panel until 2005 when she joined the Environment Agency as Director of Environment Protection. She is a Fellow of the Royal Society of Edinburgh.

David Richards trained as an economic geologist and worked for 17 years in mining operations in Cornwall, Saudi Arabia and Portugal. After taking a postgraduate degree in environmental geochemistry he has worked since 1992 in corporate environmental policy and audit functions for Rio Tinto, including a two-year posting in environmental management in Indonesia. His main areas of responsibility and work have been biodiversity strategy, acid rock drainage strategy, sustainable development and external engagement. He is married with two young children and lives in Monmouth. His interests are woodland management, nature conservation and landscape history.