Trustees

Gill Manning has over 35 years experience of negotiating in the pharmaceutical industry as both a Business Manager and Scientific advisor, and is a graduate in Medical Biochemistry. Gill is a highly skilled communicator and a certified trainer of the Harvard Negotiation Project.

Michael Smeeth is Chief Executive Officer of Transition Hydrogen Solutions, a Canadian Hydrogen technology company. Previously, he was Portfolio Director for Sustainable Development Capital Ltd (SDCL) a leading sustainability infrastructure fund. He also ran the Global Resiliency business for INNIO and before that was Chief Commercial officer for General Electric UK and Ireland.

Jessica Rhys-Griffith is a Leadership Coach working with female Executives and Business Owners. Prior to this she was Chief Operating Office at an International Development Consultancy. She has extensive experience in leadership and management, business planning, development and implementation of strategy for operational management and development.

Duncan Mackay has recently retired as Head of urban and peri-urban environments at Natural England. He also formerly led the agency’s Natural Health Service and Walking for Health programmes. Since 2018 he has been an elected member of the Council of the National Trust and is a Fellow of the Landscape Institute and the Salzburg Global Seminar.

Mike Tomson
GENERAL PRACTITIONER, MEDICAL EDUCATIONIST

Mike is a clinically-retired General Practitioner in Sheffield. He is a medical educationist (formerly with HEE), a coach, the Director of Greener Practice, is involved in teaching sustainability to postgraduate GPs in Yorkshire, and works on sustainability with RCGP.