top of page


Henry Purkis

Henry is the Chief Operating Officer of a children’s charity based in Camden. Henry has a degree in playwork and has worked in the voluntary sector for 17 years, starting as a front-line worker before becoming a project manager delivering Local Authority commissioned contracts for various charitable organisations. Since 2013 Henry has been the organisational lead staff member for PACE. 

Henry Purkis photo (002).jpg
DSCN0776 (002).JPG

Patrick Osmond

Patrick began his career by joining a rapidly expanding family business which was eventually bought by a public company which was then bought by another large public company. He then joined a management consultancy and in time became Managing Director until retirement. He continues to work part time and  has become increasingly aware of climate problems and what the effect would be on future generations.

Maud Gambier-Ellis

A Public and International Law graduate from the University of Montpellier (France), Maud has been living in Wandsworth for 25 years and has two young adult children. With a long-standing interest in the environment and ways of tackling climate change, Maud is a firm believer that educating children holds one of the keys to helping families reduce their carbon footprints. A Project Manager in Community Investment for the L&Q Foundation, she has been working as a fund and project manager with a wide range of private, charitable and public stakeholders for the past 12 years.

Hoa Doan.jpeg

Hoa Doan

Hoa is a climate policy expert with experience in consulting, public sectors and entrepreneurship. Some of her work includes developing the Net Zero Plan for the UK National Health Service (the fifth largest employer in the world) for COP26, making it the first national health service to commit to a net zero target. She then joined the Prime Minister’s Office in Downing Street to oversee delivery of decarbonisation programmes across the building and transport sectors, a portfolio worth over £7 billion.


Hoa is currently the Head of Impact and Sustainability at Notpla, a UK-startup that recently won The Earthshot Prize for its plastic-free consumer packaging products made from seaweed and plants.

Lily Keyzor

Lily Keyzor is dedicated to connecting all people to our planet and empowering them to make positive changes. As a true naturalist, she is an entomologist, arborist, science communicator and volunteer manager. Her understanding of the effects of increasing CO2 on the UK's ecosystems grew with her work at the University of Birmingham. She works providing STEM education and producing volunteer management plans in the UK and abroad, whilst working towards constructive changes in UK policy and studying full-time. Lily provides insight into developing effective and inclusive ways to share science.

Claire Gilbert

Claire Gilbert's career is in educational publishing, creating engaging and effective resources for students and teachers. She has worked in management and leadership positions in editorial, sales and marketing, people and operations for organisations including established publishers and edtech start-ups. 


Claire is passionate about the impact the education sector can have on the sustainability agenda. She has worked closely with her local primary school on their sustainability journey, working with leaders on aspects including teacher training, curriculum development, supporting students, and working with the business manager to decarbonise. 

bottom of page