Nick Butler is a Visiting Professor at King's College London and the founding Chairman of the Kings Policy Institute. He chairs Promus Associates, The Sure Chill Company and Ridgeway Information Ltd. From 2007 to 2009 he was Chairman of the Cambridge Centre for Energy Studies. He was a special adviser to the former British prime minister Gordon Brown from 2009 to 2010. He served as a non executive Director of Cambridge Econometrics from 2010 to 2018. He was appointed in 2018 to the expert panel of advisers for The Faraday Institution, which works on the development of batteries and energy storage. Having served as a Member of the Strategic Advisory Council of the Norwegian state company Equinor (formerly Statoil), he is currently editor of the Energy Agenda for the Norwegian based energy o