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Crystol Energy


Founded in 2012 by Dr Carole Nakhle, Crystol Energy’s tailored advice, client-focused training and bespoke research cover the whole spectrum of world energy markets and policy, with an emphasis on oil and gas.

Experts combine hands on international know how with a deep understanding of local conditions. They bring many years of experience in energy, in the public and private sectors, academia and non-governmental organisations. Coming from different disciplines and nationalities, they share an extensive knowledge base and a complementary understanding of local cultures and diverse customs.

The Company's Advisory Board consists of highly experienced professionals who have shaped policy and the management of major energy companies worldwide.

From governments and investors to international organisations and NGOs, Crystol Energy work with all stakeholders, providing a diversity of expertise that includes:

  • Tailored advice on energy policy and investments
  • Specialised and bespoke training
  • Original research and in-depth analysis


Dr Carole Nakhle is the founder and CEO of Crystol Energy.

An Energy Economist, she specializes in international petroleum contractual arrangements and fiscal regimes; upstream oil and gas regulations; petroleum revenue management and governance; energy policy, security and investment; and world oil and gas market developments.

With a unique breadth of experience, she has worked with oil and gas companies, governments and policy makers, international organizations, academic institutions and think tanks, globally.

She is active on the Governing Board of the Natural Resource Governance Institute and Advisory Board of the Payne Institute at the Colorado School of Mines. She is a program advisor to the Washington based International Tax and Investment Centre, and regular contributor to Geopolitical Intelligence Services and the Executive Sessions on the Political Economy of Extractive Industries at Columbia University in New York. She is a non-Resident Scholar at the Carnegie Middle East Centre and a Fellow at the Lebanese Centre for Policy Studies. She is also involved in the OECD Policy Dialogue on Natural Resource-based Development and lectures at the Blavatnik School of Government at Oxford University, University of Surrey in the UK, and Saint Joseph University in Beirut.

With numerous publications to her credit, Dr Nakhle is also an avid commentator on energy in the international media, including Al Arabiyya, Al Jazeera, the BBC, CNBC, and CNN.

Dr Nakhle is the author of two widely acclaimed books: Petroleum Taxation: Sharing the Wealth published in 2008, re-printed in 2012, and used as primary reference in leading universities and industry training courses; and Out of the Energy Labyrinth (2007), co-authored with Lord David Howell, former Secretary of State for Energy in the UK. Dr Nakhle is also the Executive Editor of Newsweek’s special edition ‘The Future of Innovation in the Oil and Gas Industry’.

She has worked on energy projects in more than 45 countries and has been on exploratory visits to the Arctic and North Sea. She is also the director of the not-for-profit organization ‘Access for Women in Energy’, which she founded in 2007 to support the development of women in the energy sector, worldwide.

In 2017, Dr Nakhle gave evidence to the UK Parliament International Relations Committee on oil markets and the transformation of power in the Middle East and implications for the UK policy. In the same year, she received the Honorary Professional Recognition Award from the Tunisian Minister of Energy, Mines & Renewable Energy.


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