Crossbench Member of the House of Lords, having spent a career working on conservation, energy and climate change issues. Prior to appointment as a Peer in 2011, worked at Friends of the Earth on their ‘Big Ask’ campaign, which successfully lobbied for the introduction of new climate change laws. Also worked for Scottish and Southern Energy advising on sustainability; seconded to the government to work on climate communications and the design of the 2008 Climate Change Act. 2008, launched Sandbag, an NGO that uses data insights to advocate for a swift transition to clean energy. During the coalition years of 2011 and 2015, served as Shadow Spokesperson for Energy and Climate Change and led on two Energy Bills for the Shadow Ministerial Team. 2016-19, Executive Director of Environmental Defense Fund Europe. Current roles include co-chairing the cross-party caucus Peers for the Planet and devising grant-making strategies for the Quadrature Climate Foundation, working as Co-Director.