Our Team

Our staff and trustees are passionate about climate action. See how they’re helping create a low- carbon future – or take a look at our job opportunities.

Harriet Lamb - CEO

Harriet joined Ashden as CEO in May 2019, taking responsibility for developing and implementing the organisation’s ambitious new strategy to tackle climate change.

She was CEO at peacebuilding organisation International Alert and spent 15 years leading Fairtrade in the UK and globally. She has always worked for NGOs with a focus on international development, peace and the environment. She worked in the UK on refugee and low pay issues, and lived in India for six years. Her book Fighting the Banana Wars and Other Fairtrade Battles was published in 2008. She is a cycling obsessive who loves gardening and walking her dog.

Joanna Walton - Director of Communications and People

Jo has been at Ashden since 2005 and oversee the promotion of Ashden and Ashden winners to a wide audience. She is a member of the Executive Management team with particular responsibility for HR. In her time at Ashden she has overseen the smooth delivery of 15 Ashden Awards ceremonies with speakers including former US Vice President Al Gore, Sir David Attenborough and Ashden’s Patron HRH The Prince of Wales.

Edward Dean - Director of Development

Ed leads on securing the income that Ashden needs to fund each of our Awards and to develop our UK and International programme work. Success for him is much more than what the balance sheet looks like; it’s about building relationship with individuals and organisations that share Ashden's mission to bring sustainable energy to all.

Giles Bristow - Director of Programmes

Before Ashden, Giles was first the Head of Energy, then Director of Programmes at Forum for the Future with responsibility for their work in the energy and food systems. He found his way to Forum via an earlier career as an environmental law specialist. His first degree was a BSc in Geography and he has written a thesis on the impact of UK fiscal policies on the project financing of onshore renewables during a Masters degree in Energy Policy and Sustainability. When not thinking about energy, innovation and system change, he can be found walking his retired greyhound (Bonnie) or surfing or kitesurfing somewhere on the UK coast.

Lucy Blackburn - Senior Corporate Partnerships Officer

Lucy is responsible for the stewardship of Ashden’s corporate partners and fostering new relationships, both in the UK and internationally. At its heart this means the development of partnerships that are mutually beneficial and based on a shared commitment to sustainability.

Jennifer Lauture - Development Officer

Jennifer assists the development team in securing funding to run and develop the Ashden Awards and programme work. This involves research into funding prospects, writing persuasive proposals, reporting to current funders, maintaining stewardship and developing relationships with individuals interested in sustainability and taking action against climate change.

Craig Burnett -
Editor

Craig makes sure Ashden's voice is powerful and passionate. As well as thinking about the climate stories we want to tell, he writes and edits articles, pieces, reports, video scripts and more.

Chhavi Sharma -
Programme Manager (Sustainable Energy for International Development)

Chhavi manages Ashden’s International Awards and Business Support programmes. This involves overseeing the application and judging processes and helping find our new cohort of winners as well as providing them with the support they need to grow and scale their work. She also manages Ashden’s relationship with the Ashden India Collective.

Ellen Dobbs -
Programme Manager (Sustainable Energy for International Development)

Ellen works on all aspects of the international awards process, including carrying out assessment visits to shortlisted applicants. She works with our alumni of winners on business support and monitoring and evaluation. She also oversees Ashden’s international research work, which is currently focusing on clean energy for women and girls.

Alex Green -
Programme Manager (Awards and Schools)

Alex leads our schools programme, LESS CO2, which supports schools to become zero carbon. She work directly with schools through our peer-to-peer mentoring scheme, as well as engaging with government and sector stakeholders to campaign for change.

Mike Pepler -
Awards Manager

Mike manages the Liveable Cities awards process, from researching themes for the awards and designing application forms to planning the judging process and visiting the applicants. With his background in engineering, research and computing, he also gets involved in the technical aspect of almost all the team’s work at some point in the year.

Simon Brammer -
Head of Cities

Simon heads up our cities programme that aims to create liveable, sustainable cities. At the heart of this approach is a network that brings together the UK metro mayor regions. Using our winners to demonstrate the possibilities, we are showing policymakers that by tackling climate change you can simultaneously address a multitude of other challenges. Challenges such as cleaning up toxic air, providing affordable warm homes or creating new, fairly paid jobs. We want a just transition.

Cara Jenkinson
Cities Manager

Cara works with Simon Brammer to support our UK Award winners, helping them to share best practice and showcase their work to influential audiences including policymakers. She also works with Mike Pepler on the UK Awards process, including researching potential applicants and undertaking visits of shortlisted applicants. She has been involved in community energy for several years, and appreciates the impact of promoting innovators in sustainable energy.

Kasia Brookes -
Awards Co-ordinator

Kasia takes care of the whole awards process – setting up the application forms, helping applicants, arranging judging meetings and visits, looking after our winners during awards week and everything in between.

Anita Henderson -
Executive Assistant to CEO

Anita provides executive level support to the CEO, Harriet Lamb, PA support to the Director of Communications & People, Jo Walton and Chair of Trustees, Sarah Butler-Sloss. She is responsible for the meeting administration of the quarterly Trustee meetings, the weekly Executive Management Team and monthly Leadership Group meetings which she attends and takes minutes.

Suzy Van den Eynde -
Administrator and LESS CO2 Coordinator, PA to Giles Bristow and Ed Dean

Suzy joined Ashden in 2008 and has been providing general administrative support to the team. She organises the workshops that are part of the LESS CO2 programme, liaising with the school mentors and the participating schools. Suzy is PA to the directors of programmes and development.

Vikki Leaney -
Climate Change Stakeholder Engagement Officer

Vikki is part of the Cities Team working with Cara Jenkinson and Simon Brammer, based in the North East of England working in partnership with the North of Tyne Combined Authority on a two-year co-benefits project. The team are developing and testing a new methodology for policy development and change using creative techniques that seeks to solve environmental and social issues whilst also integrating the wellbeing, livelihoods and economic needs of local communities.

Ruth Prior -
Development Manager

Ruth has 20 years’ experience in business development, bid management and project design, working in sectors such as waste and recycling, clean energy, climate change, deforestation and water security.  At Ashden she supports fundraising for the Ashden Awards and leads on securing funding for our larger projects, with a particular focus on the technical and financial aspects of project delivery. She  loves seeing project ideas comes to life and being able to tell funders how much we have achieved with their support.

Matthew Ahluwalia  -
Cities Team

Matthew supports Ashden's UK awards work by carrying out research into new award themes, such as Citizen Engagement and Green Skills. This includes investigating both sectors to better understand how the Ashden Awards can have the greatest impact, whilst beginning new conversations with potential applicants for the awards. He also supports the Cities programme through providing research for our range of publications and events.

Nashwa Naushad

Nashwa helps coordinate the Fair Cooling Fund programme, Ashden's first ever grant project, and works with the team to oversee the delivery phase. She also supports the Awards work, particularly Energy Access and Humanitarian Energy, with research and discovering potential applicants.

Ashden Trustees

Sarah Butler-Sloss -
Chair of Trustees

Sarah Butler-Sloss has been internationally recognised for her work in the field of green energy over the past 20 years, best known for founding the Ashden Awards for Sustainable Energy in 2001. She led Ashden as Founder Director from 2001 to 2019. Sarah is a regular contributor to UK and global policy debates in the field of sustainable energy and an active member of the UN’s International Sustainable Energy for All practitioner network. Sarah is also the founder and trustee of the Ashden Trust and a trustee of ClientEarth.

Richard Azarnia -
Trustee

Richard is co-founder of Mlinda, which helps people rural India access renewable energy. Richard created Mlinda's vision and approves strategy. His ambition for a scalable and replicable business able to influence production and consumption defines Mlinda's approach to rural electrification. His strengths in business advisory and finance guide Mlinda's strategy. Richard is also active in asset management and sustainable investments.

Emma Colenbrander -
Trustee

Emma is a social entrepreneur and international development professional. She leads the Energy Markets portfolio at Practical Action, where she heads up the Global Distributors Collective, and is a co-founder of Pollinate Energy, a multi-award winning social enterprise in India that brings clean energy products to urban slum communities. Emma has also worked with the Australian Agency for International Development (AusAID), focusing on development finance and innovation.

Dr. Harish Hande -
Trustee

Harish Hande is a renewable energy entrepreneur with over 24 years of grassroots experience in understanding, developing and deploying sustainable energy solutions for underserved communities. Born in rural Karnataka, Harish went on to pursue his graduation from the Indian Institute of Technology, Kharagpur and a PhD from University of Massachusetts. He founded SELCO.

Caroline Holtum -
Trustee

Caroline joined We Mean Business as the Communications Director following a spell as an independent consultant on sustainability content and strategy for a range of clients including Unilever, The Crowd and Bloomberg. Prior to that she was head of content globally for Guardian Sustainable Business, which she helped launch in the UK and US. She was the site editor and also held responsibility for delivering content partnerships, events and strategy.

Nick Mabey -
Trustee

Nick is Chief Executive and a founder director of E3G (Third Generation Environmentalism). In addition to his management role, Nick leads E3G’s work on European climate change policy, climate diplomacy and foreign policy, and the security implications of climate change. Nick was previously a senior advisor in the UK Prime Minister’s Strategy Unit leading work on national and international policy areas. Before he joined government Nick was Head of Economics and Development at WWF-UK. He came to WWF from research at London Business School on the economics of climate change, which he published as the book ‘Argument in the Greenhouse’.

Agamemnon Otero -
Trustee

Agamemnon is a co-founding director of Energy Garden, Repowering and marine transport infrastructure company, Hydra. He co-founded industry advocacy body Community Energy England and advised UK government on community energy policy. In 2014 he was made a London Leader, in 2016 he was awarded an MBE for services to community energy and in 2017 was named one of the 51 Most Impactful Green Leaders globally by CSR Congress.

Andrew Reicher -
Treasurer

Andrew’s 43-year career has been in finance, private equity and development finance and investment. He joined CDC in 1999 and was Head of Infrastructure there and later at Actis, where the bulk of investments were in the electricity sector in Africa, Asia and Latin America. He advised the founders, invested and joined the investment committee of Berkeley Energy, a leading developer and operator of renewable energy plants in Africa and Asia. Since 2010, Andrew’s family have been active business angel investors in energy access in Africa.

Sabera Khan

Sabera is an internationally acknowledged specialist in the fields of Finance, Carbon Markets, Climate Change, Clean Technologies and Energy with over 22 experience. She is a Director of Lloyds Financials Limited, a Zambian financial services company. She is a licenced Investment Advisor under the Zambian Securities and Exchange Commission (SEC).

Sabera has been instrumental in the design and development of various financial instruments and mechanisms in Africa, such as the Africa Carbon Credit Exchange, Zambia National Climate Change Fund, Beyond the Grid for Africa (2019 Ashden Awardee). As a market leader in climate change, renewable energy and finance in Sub-Saharan Africa, Sabera is currently leading a team at Lloyds Financials, in the design of an Impact Investment Fund for Southern Africa.

Sabera supports the Zambian government through the Off-Grid Energy Taskforce, a Multi-Stakeholder Forum which addresses barriers to market entry and provides information on opportunities. The taskforce helps the private sector bring to the fore, the challenges in the market, and facilitates how they can be addressed. This platform has brought both government and cooperating partners closer together in a coordinated and action-oriented manner. Part of the success of the Off-Grid Taskforce has been the capacity building for the market players, and the coordination of activities which lead to market growth.

Sabera has held many prestigious global leadership positions such as Gender Ambassador for PFAN (Private Financing Advisory Network) hosted by UNIDO and REEEP, as well as, PFAN Country Coordinator in Zambia; Judge for the Ashden Awards 2020; Member of the Sustainable Energy for All (SE4ALL) Working Group on Finance; Member of Women in Science and Technology in RSA; Member of Women in Mining RSA; Member of the Technical Committee SACREEE.

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