Dr Oliver Geden is Head of the European Union Research Division at the German Institute for International and Security Affairs (SWP) and Research Associate at the Institute for Science, Innovation and Society (InSIS), University of Oxford. His work focuses on European and global climate policy, including the governance of carbon dioxide removal and solar radiation management. Geden has been a visiting scholar at the Max Planck Institute for Meteorology, the Swiss Federal Institute of Technology and the University of California Berkeley, among others. During his time at SWP he has been seconded to the policy planning units of both the Federal Foreign Office and the Federal Ministry for Economic Affairs and Energy. He is a lead author for the Sixth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC AR6), Working Group III, chapter 12 (on CDR) and a contributing author to WG III, chapter 14 (on SRM governance).