Our leadership team & board

Josiah Lockhart

Josiah has been Chief Executive of Changeworks since 2022. With over 18 years’ experience in purpose-led business and social enterprise, he has helped shape Scotland’s support landscape for scaling social ventures.

Previously Group CEO of FirstPort, FirstImpact Business, and Impact Investment Partnership, he led the creation of a £15m venture fund and supported thousands of enterprises through key growth stages. Josiah is also a non-executive director at Warmworks and chairs its strategic business development committee.

Josiah’s expertise spans clean energy deployment, fuel poverty reduction, and climate-focused business development. He remains dedicated to mentoring the next generation of climate entrepreneurs advancing a just transition.

Liz Partington

Liz is an experienced leader, people and project manager. Her specialisms include organisational development, building partnerships and managing change. Liz has overall responsibility for HR; Quality & Environment Systems and Internal Communications. 

Laura Webb

Laura has a wealth of experience in transformational change across a number of sectors, including utilities. She leads the Delivery Directorate to achieve a Scotland-wide change in energy usage and understanding so that people can be comfortably warm in their home with the minimum environmental impact.  The Delivery Directorate works to deliver people and community-oriented services so that everyone can thrive with a low carbon impact. 

The Delivery Directorate encompasses the delivery of Home Energy Scotland services in the South East and Highlands and Islands, Community Engagement and Energy Advice Services, Consultancy and Retrofit Delivery teams.

Graeme Farmer

Graeme is a CIMA qualified accountant with extensive experience of financial management in the third sector. In his role as Finance and Central Services Director, Graeme leads the Finance, ICT and Facilities teams.

George Drennan-Lang

George has spent his career innovating and developing new service models and securing sustainable income growth for some of the country’s leading social purpose organisations. He has a track record of leading and managing cross-organisational change, developing organisation culture alongside shaping strategic, financial and business plans.

George has overall responsibility for Business Development, Digital and Marketing Communications, Policy and External Affairs alongside our Strategic Development Team who are building our homeowner retrofit service, EcoCosi.

Del Redvers

Del has extensive experience in the sustainability leadership across the private, public and voluntary sectors. He is currently Corporate Affairs Director for BMT, a global science and engineering consultancy. Del has been a member of or advisor to boards in the UK and overseas. A Changeworks‘ Board member since 2017, Del took up the role of Chair of Changeworks‘ Board in May 2020. 

Jo O’Hara

Jo runs her own consultancy business and is an international convenor and coach. Previously Chief Executive of Forestry Commission Scotland and Scotland’s Chief Forester, Jo has an extensive career in public sector leadership with particular expertise in sustainable land use, and associated environmental, social and economic aspects.

Her current portfolio includes several non-exec roles, leadership of a trans-European forest habitat restoration project, executive and team coaching, and consultancy for government and community clients in the UK and abroad.

Eleanor Bird

Eleanor is a former councillor for Edinburgh’s Forth Ward, where she sat on a number of committees, including the transport and environment committee. Before returning to Scotland, Eleanor spent her twenties working as an actor in London. She holds a 2:1 from the Open University, having studied contemporary politics and sociology. 

Abi Gardner

Abi is NatureScot’s 30×30 and Nature Networks Project Officer, where she works to ensure that 30% of land in Scotland is protected for nature by 2030. She has a background in ecological and environmental science, particularly ecosystem services. Abi also brings knowledge and skills in youth leadership, campaigning and behavioural change.   

Lindsay Scott

Lindsay is an Investment Manager at Walter Scott where she has a particular focus on responsible investing. Over the the last 20 years, Lindsay has worked across geographies and sectors identifying sustainable businesses that consider social and environmental impacts, as well as financial returns. Lindsay is also a Trustee for the National Museums of Scotland Charitable Trust and a member of the Green Angel Syndicate, a network of individuals looking to invest in innovations to fight climate change.

Nicola Walters

Nicola has worked with some of the world’s largest financial services companies and is currently Chief Transformation Officer and Senior Director at Deloitte. With a wealth of experience in bringing people together to overcome what are often thought of as impossible challenges, Nicola is a leader who believes in doing what’s right, not what’s easiest. She has won an Entrepreneur of the Year Award, been a Shell LiveWire finalist and, in 2018, Nicola launched an award-winning company that embraced sustainable practices.

Nigel Douglas

Nigel has experience in new business start-up, commercialisation, operations, market development and business growth. He has a passion for the environment and says his entrepreneurial outlook helps to drive change and develop new ideas. 

Steve Russell

Steve is a designer with a passion for making things better. He specialises in human-centred design, with expertise in making sustainable innovation happen across the public, private and third sectors. Steve’s interest in how community empowerment can drive behaviour change inspired him to join the Changeworks Board.   

Michael Covington

Michael has over 30 years’ international cross-sector experience in investment, governance, and renewable energy technologies to support the decarbonisation of infrastructure and housing.

He has advised companies including John Menzies plc and Forth Ports plc, a Scottish anti-fuel poverty social enterprise, and assembled a significant portfolio of Scottish windfarms and led a VC investment into ReEnergise which supports schools working towards net zero. Michael is currently Chairman of Getech Group PLC, a geoscience data and geospatial software provider.

Selina Sagayam

Selina is a corporate finance legal practitioner of over 35+ years’ experience now running her own consultancy practice. Previously a partner in two leading international law firms, she established the UK ESG Practice of Gibson Dunn & Crutcher and co-led its global ESG practice. She has extensive experience in corporate governance and an expertise in sustainability related legal and regulatory issues and has advised a range of organisations, entities and stakeholders in this area.

Her current portfolio includes serving as a Non-Executive director of FTSE250 listed Sequoia Economic Infrastructure Income Fund and chair of their ESG & Stakeholder Engagement Committee. She was appointed as the inaugural chair of the ESG Committee of The Renewables Infrastructure Group where she serves as a non-executive director. She has deep experience and commitment to talent and inclusion and has chaired various groups and networks promoting diversity, talent and inclusion. She serves as Vice Chair of the UK’s largest domestic abuse charity, Refuge.