Andy Stirling is Professor of Science and Technology Policy at the Science Policy Research Unit at the University of Sussex, where he co-directed the ‘STEPS Centre’ for sixteen years. Working on issues of power, uncertainty and diversity in science and technology (especially around energy and biotech), he has served on a number of UK, EU and wider governmental advisory committees including (presently) as a lead author for the Intergovernmental Panel on Biodiversity and Ecosystem Services (IPBES)