Team

Christopher is the Chief Executive of UK100. Formerly the director of UK100’s award-nominated Membership & Insights team, Christopher has doubled the size of the network and launched the Climate Leadership Academy and Local Power in Action programme since joining in June 2021. Previously, Christopher served as the elected Leader of Southampton City Council. In 2020, he was shortlisted for ‘Leader of the Year’ in the LGIU Councillor Awards. Christopher holds a degree from Bournemouth University, which named him its 2019 Alumni of the Year.

Jason has 25 years’ experience of leading teams, directing evidence-based public policy initiatives, creating influential programmes and delivering strategic impact, specialising in transport and the environment. Jason’s key skills lie in collaboration, communication and strategy development and implementation to marry up politics, policy, media, culture and commercial opportunities in order to achieve impact. Before starting at UK100 in 2018, Jason previously worked at Sustrans, Campaign for Better Transport, Greenpeace and the Department for Transport.

Katie is an experienced project management and operations professional with a demonstrated history of managing high performing teams within the digital advertising industry. Her expertise include strategic management and planning, financial and commercial acumen, contract development and negotiations, process improvement and cost and margin control. Katie comes from an extended career at Oath (Advertising.com, AOL and Global Solutions) and is now applying her skills to make a positive impact on environmental causes.

Ben joined UK100 in November 2023 as Operations Officer, bringing a wealth of international experience from the humanitarian sector. Having worked with local actors across the developing world, Ben is passionate about community leadership and empowering local action on climate change. At UK100, he is focused on strengthening operational systems to better support the network. Outside of work, you can find Ben on the water sailing or soaking up sunshine. He is a keen traveller always on the lookout for greener ways to get around.

Cecily joined UK100 in April 2023 as Membership Programme Manager. She is responsible for the delivery of our membership programmes which engage and empower our growing network of local leaders. Cecily has previously worked at Possible, Wildlife and Countryside Link, and Sustain where she has specialised in network building, shared learning, and events. When not fighting climate change, she uses every pot and pan she can find to cook up a storm in her kitchen, walk her rescue dog, or swim on the North Essex coast.

Tunisha joined UK100 in March 2023 as Research and Insights Manager. She is responsible for interpreting our member's experiences and turning these into a robust evidence base to support our advocacy to national government. She has worked with non-profits in India across various sectors including health and financial inclusion, supporting their research functions. She has also led projects to pilot-test new and innovative solutions for service delivery for the social sector. You will likely find her watching plays, wandering around galleries, volunteering or hiking in her free time.

Liam is a committed climate advocate with a journalism, politics, and humanitarianism background. After a lost decade as a DJ and promoter, he worked with the BBC, Green Party, and Mines Advisory Group (MAG). Liam joined UK100 as a Communications Manager in 2022. He is a part-time gig-goer, lacklustre runner, and full-time film bore in his spare time. Liam is a passionate Sam Neill fan and advises everyone to watch Hunt for the Wilderpeople.

Patrick joined UK100 in January 2023 as a Parliamentary Officer. He has five years of experience working in Australian politics with a varied policy background, from crisis management to reproductive health. Patrick has previously worked on campaigns for industrial hemp and helped sporting clubs implement sustainable environmental practices. He has a Bachelor of Arts and a Graduate Diploma of Journalism from RMIT University in Melbourne. When he's not reading Hansard, Patrick enjoys playing cricket, walking around art galleries and frowning at crosswords.

Harriet works in the Membership arm of the organisation as Network Programme Officer and is a proud member of the ‘Team of the Year’ (Finalists, edie Awards 2023). Harriet supports the development of programmes and projects that directly assists our network of members in accelerating their pathway to Net Zero. In particular, she leads the coordination and delivery of the Climate Leadership Academy and Countryside Climate Network. She previously worked in marketing, where she developed her interest in the importance of effective climate communication. She is a food enthusiast and enjoys learning Spanish.

Jon joined UK100 in December 2023 as a Membership Programme Officer. He has previously worked across the sustainability sector in roles with Barratt Developments Plc, the Building Research Establishment (BRE), and Bournemouth University. Jon is particularly excited to build upon his experiences gained at BRE, where he directly engaged and supported Local Authorities towards their Net Zero targets. Jon helped to identify strategic opportunities and provide data and training packages. With an MSc in Sustainable Urbanism from UCL, Jon is passionate about exploring all opportunities to unlock local Net Zero through planning and development processes. When he's away from his desk, you may find him down the allotment, out trail running, or taking up yet another new hobby.

Rachel qualified as an accountant in 2007 and has a wide range of experience in helping companies, charities and social enterprises in achieving their financial goals. She is passionate about the Net Zero agenda and has pushed forward a number of initiatives related to this in her home town of Reading, including as a director of local cooperative Reading Community Energy Society. Rachel believes that compliance, clarity and a sense of control are vital in helping organisations succeed. She is also a skilled communicator and aims to make sure the numbers tell the story - and are even enjoyable. Outside of having fun with spreadsheets she enjoys gardening with her children and is an avid podcast and audio-book listener. Rachel joined UK100 in Autumn 2020 and combines this with her other work as an accountant and trainer. Rachel is also a Councillor on Reading Borough Council.

Marilyn joined UK100 in January 2020 as Finance Officer. Her experience spans global organisations, architectural practices and creative businesses where focus has been on care in the community projects and sustainable design. She has developed a forensic approach to business finances and is passionate about contributing to the success of any organisation she works for. She is also a long-standing member of Greenpeace and WWF. After work, Marilyn is re-learning the guitar and is an ardent knitter in the Nordic style.