Atlas Renewables


Atlas is a boutique consultancy specialising in the anaerobic digestion sector. With decades of practical experience in AD and biomethane, we provide specialist advice on all aspects of biogas development from concept and origination through construction and onto operation. Our dedicated team has European experience across multiple disciplines and brings our expertise to your project.

Meet our team

Edward Lilleystone 

Edward has well over a decade of experience developing multiple biogas projects internationally. As an experienced commercial biogas business developer, he has specialised in the management and development of biogas projects from concept through to commissioning. Over the years he has built up a high level of knowledge across the industry from feedstock profiling and selection through to technology selection, specialist contracting and end market uses for bio methane, carbon dioxide and fertiliser products.

Leon Mekitarian

Leon has three decades of experience in waste management, agriculture and biogas. He has a track record in the origination, development and management of green energy projects.  Leon is highly skilled in project management with significant technical and process expertise in biogas installations.  With a background in waste management, he also has nearly 20 years of operational experience in biogas operations and transport logistics. As a qualified agriculturalist and experienced farm manager, Leon has an acute practical understanding of farming systems and the challenges facing modern agriculture. 

Andrew Bernard 

Andrew leads the senior management team and is responsible for governance, legal, shareholder duties. He has over two decades of experience in the renewable energy sector. An experienced chief executive, Andrew has led and managed complex energy and waste management businesses including food waste recycling, alternative proteins, and biogas installations across his career.  He is highly experienced in delivering commercial and operational excellence in circular economy and recycling businesses.  Andrew is solutions driven, with a global network, and has strong negotiation and mediation skills.