Joan MacNaughton is an influential figure in international energy and climate policy.
She is currently Chair of the Climate Group and of the Advisory Board of the New Energy Coalition of Europe. She sits on the Strategic Advisory Board of Engie UK, is a Non-Executive Director of the James Hutton Institute and of the Energy Savings Trust, a member of the Council of Warwick University, and sits on several other advisory boards.
From 2010 to 2016, Joan was Executive Chair of the annual assessment of countries' energy policies for the World Energy Council, the 'Trilemma', and is now Honorary Chair. In 2012 she was Vice Chair of the UN Committee on the Policy Dialogue of the CDM. From 2006-2012, she served on the Board of Governors, Argonne Laboratory at the University of Chicago where she chaired the Budget Committee (turnover US$800 million) and co-chaired the Strategic Review of Laboratory Operations.
She has served on many Boards, including in government and the private sector. She was a board member of the International Emission Trading Association, of which she is now an Honorary Fellow. She is an Honorary Fellow and Past President of the Energy Institute; and a Distinguished Fellow of the Institute of Energy Economics of Japan, and of the Global Federation of Competitiveness Councils. From 2007 to 2013 she was Senior Research Fellow at the Oxford Institute for Energy Studies, and has lectured at the LSE, UCL, Warwick University, Hong Kong City University and many other institutions. For several years she has moderated a roundtable of ministers and CEOs at the annual Clean Energy Ministerial Meeting at the invitation of the US Government.
In UK Government until 2007, she held a wide range of positions including as Chief of Staff to the Deputy Prime Minister to Prime Minister Thatcher, and later to two Cabinet Ministers. She served as Director of Prison Industries and Farms; as a member of the Management Boards of the Lord Chancellor’s Department and the Department of Trade and Industry, and then was Chief Executive of an NDPB responsible for procuring several billion pounds of goods and services, including in the ITC sector. From 2002, as Director General of Energy, Joan played a key role in shaping UK energy policy. She led a major change program and made a significant contribution to international energy policy, including overseeing the energy agenda during the UK Presidency of the EU and leading the work on the Clean Energy Action Plan agreed at the G8 Gleneagles Summit. From 2004 to 2006, she was Chair of the Governing Board of the International Energy Agency, leading a review of the IEA’s strategy and the emergency response to the supply disruption caused by Hurricane Katrina.
In a second career in business, Joan set up and then led Alstom’s department for clean power advocacy from 2007 until 2011, and until December 2012 acted as Global Adviser on Sustainable Policies for the company. She was a member of the Executive Board responsible for the P&L of Alstom Power. She spent six years as a NED of a FTSE 250 property development company.
In 2006 she was made a Companion of the Order of the Bath by HM The Queen. She is married to Sir Bill Jeffrey, and is also known as Lady Jeffrey.