Cluff Geothermal are well placed in the sector and have access to over 70 years of combined expertise in renewable energy development, natural resources, drilling and geothermal systems. Through the company’s board of executives we also have extensive experience in management and fund-raising.

  • Prof. Sir Christopher Edwards


    Sir Christopher is Chairman of Council of the British Heart Foundation and a Senior Research Investigator at Imperial College. He was previously the Chairman of the Chelsea and Westminster NHS Foundation Trust (2007-2014) and of Medical Education England (2008-2012), a body responsible for advising Ministers on the education, training and workforce requirements of doctors, dentists, pharmacists and healthcare scientists. He was Professor of Clinical Medicine at the University of Edinburgh, Dean of the Faculty of Medicine, the first Principal of the Imperial College School of Medicine and from 2001-2007 the Vice-Chancellor of Newcastle University.

  • George Percy

    Managing Director

    George left Edinburgh University in 2007 where he achieved an MA (Hons) degree in Geography having specialised in Sustainable Development and Renewable Energy. He then went on to study Arabic at the University of Damascus in Syria achieving distinctions in both Arabic levels 1 and 2. He has worked on development projects in the Middle East as well as the early stage development of CHP biomass projects in the UK. In 2009 George teamed up with Algy Cluff (at the time Chairman and CEO of Cluff Gold) and Newcastle University to commercialise geothermal heating projects in the UK, bringing investment to the fledgling UK geothermal sector and lobbying the British Government for a more comprehensive legislative framework for the geothermal sector. As Managing Director of Cluff Geothermal, he has overseen the company’s exploration and drilling programme in North East England as well as their business plan for geothermal exploration and drilling in East Africa.

  • Prof. Paul Younger, FREng

    Technical Director

    Professor Younger holds the Rankine Chair of Energy Engineering at the University of Glasgow. He specialises in geothermal energy and has pioneered a number of geothermal development projects in the North East of England over the past decade. He has been appointed as an advisor to a number of governments and companies around the world on the commercial and environmental opportunities offered by geothermal energy projects. He was a Harkness Fellow of the Commonwealth Fund of New York from 1984-86. Noted for his outstanding communication skills, Paul is a fluent Spanish speaker and holds honorary doctorates from universities in Spain and Peru.

  • Dr Álvaro Sobrinho

    Non-Executive Director

    Dr Álvaro Sobrinho is one of Africa’s leading business figures and philanthropists. Born and raised in Angola, Mr Sobrinho has been at the forefront of the rise of one of Africa’s most powerful economies and is now a major investor across the continent. Dr Sobrinho is also heavily involved in the development of science, technology and innovation in Africa, most notably as Chairman of the Planet Earth Institute, a charity with the mission of the ‘scientific independence of Africa’, as well as a number of other philanthropic activities.

  • Peter Dixon-Clarke

    Chief Financial Officer

    Peter qualified as a chartered accountant at Deloitte. Before joining Cluff, Peter was CFO at Rockhopper Exploration plc, a position he held since its formation and through to its AIM listing. Peter oversaw the sale of 60% of Rockhopper’s oil discovery in 2010 for US$1 billion. He was the first CFO for the charity Help for Heroes and has held a number of natural resource-related appointments in the UK and Norway.