Marion Messmer is a senior research fellow in the International Security Programme at Chatham House. She has expertise in arms control, nuclear weapons policy issues and Russia-NATO relations.
Before joining Chatham House, Marion was the Co-Director of BASIC, where she led on the organization’s nuclear risk reduction and disarmament work.
Marion is an N2 Innovation Fellow (2020-2021) and an ACONA Fellow (2021-2022) and holds a PhD in Security Studies from King’s College London.