A series of appointments and reappointments have been made to the Board of Royal Botanic Gardens, Kew.
Dame Dervilla Mitchell, Dr Fiona Pathiraja and Sarah Greasley have been appointed as Trustees. Dervilla and Fiona’s four-year terms commenced on 1 July 2025. Sarah’s four-year term will commence on 1 October 2025.
Steve Almond and Kate Priestman have been reappointed as Trustees for a second term of four years from 2 October 2025 to 1 October 2029.
These appointments have been made in accordance with the Governance Code on Public Appointments published by the Cabinet Office. All appointments are made on merit and political activity plays no part in the selection process.
Biographies
Dame Dervilla Mitchell
Dervilla is an experience engineering leader who has been involved in significant infrastructure programmes at Heathrow, Dublin and Abu Dhabi airports. She has also led the design of a range of new build and renovation projects in different sectors. She spent the majority of her career at Arup, a trust-owned organisation, latterly serving as Global Deputy Chair and Ethics Director.
She became involved in the decarbonisation agenda whilst a member of the Council for Science and Technology and subsequently took on the role of Chair of the National Engineering Policy Centre’s decarbonisation working group. Her non-executive experience has been gained through Trustee roles as Vice President of the Royal Academy of Engineering and serving as a school governor at three different girls’ schools in London.
She was awarded a DBE for Services to Engineering in 2024, having previously received a CBE in 2014. She has received Honorary Doctorates from University College Dublin, as well as Imperial College London, where she now sits on the Industry Advisory Board for the Department of Civil and Environmental Engineering.
Dr Fiona Pathiraja
Fiona is an investor and philanthropist. She is Managing Partner of Crista Galli Ventures, a pan-European healthtech venture capital firm. She serves on several boards and is currently a trustee of the Royal College of Physicians and the Royal College of Arts. Fiona leads philanthropic endeavours at IPQ Capital, her Family Office, and is vice-chair of London Business School’s fundraising board.
A former NHS consultant radiologist at University College London Hospital, Fiona has held a range of strategic and leadership roles across healthcare, including Clinical Advisor to the Department of Health and Social Care. She is a Fellow of the Royal College of Radiologists, a Member of the Faculty of Public Health, and holds Master of Business Administration and Master of Public Health degrees. Fiona is an advocate for greater diversity in technology and investment.
Sarah Greasley
Sarah is an accomplished technology leader with more than 40 years’ expertise working in both the technology and financial services industries. She was Solutions Architecture Director for Europe, Middle East and Africa at Amazon Web Services, and prior to that, she was Group Chief Technology Officer at Direct Line Group and a Distinguished Engineer at IBM. She has a broad range of leadership experience across new technologies, strategy, risk and resilience. She also has a strong focus on increasing diversity, equity and inclusion.
She has a degree in Mathematics from the University of Cambridge and is a Chartered Fellow of the British Computing Society, as well as a Fellow of the Institute of Engineering and Technology. Sarah is a Trustee of the British Exploring Society and a Governor at Charterhouse School.
Steve Almond
After obtaining a BA in History at Royal Holloway College, University of London, Steve trained as a Chartered Accountant at Deloitte and spent much of his career there as an Audit Partner specialising in the financial services industry. He worked in a variety of roles for 16 years on the Deloitte UK Executive and, concurrently, eight years on the Global Executive. He has a wealth of experience advising large company boards and audit committees and served for 10 years on the board of Deloitte UK. In 2011, he was elected Chairman of Deloitte’s Global Board. In that capacity, he represented Deloitte on various external bodies, including the Accounting for Sustainability Advisory Board; International Integrated Reporting Council; Social Progress Index Advisory Board; and the World Business Council for Sustainable Development.
Kate Priestman
Kate has worked in the biopharma industry for over 25 years and is currently Chief Corporate and External Affairs Officer at CSL. Before joining CSL, Kate served as Senior Vice-President of R&D Strategy and Portfolio at GlaxoSmithKline, focused on the development of transformational medicines and vaccines. Kate also serves as a Non-Executive Director at Oxford Nanopore Technologies PLC. Kate’s career has spanned roles in commercial, corporate governance, communications and government affairs, following an early career at the BBC as a presenter and documentary maker. In her spare time, Kate is an artist and creator of a popular design blog; her work inspired an installation in the Chicago Botanic Garden in 2016 and is used in schools as part of the creative arts curriculum.
