Baroness Brown is an engineer, with a career in both academia and industry before becoming a Crossbench member of the House of Lords, where she is chair of the Science and Technology Select Committee. Her major interests are climate change and the low carbon economy. She is Chair of the Adaptation Committee of the Climate Change Committee and was Vice Chair of the Climate Change Committee (mitigation) for 12 years; she is Chair of the Carbon Trust; a member of the Government’s Hydrogen Advisory Council and a non-executive director of Ørsted, Ceres Power and Frontier IP. She led the King Review for HMT on decarbonising transport (2008), and was a non-executive director of the Green Investment Bank.