Graeme Simpson is the Principal Representative of Interpeace in New York and a Senior Peacebuilding Adviser at the Geneva-based organisation, which works globally in conflict and post-conflict settings. He has over 30 years of experience in peacebuilding and transitional justice, having previously served as Director of Policy and Learning and Director of Interpeace USA. Appointed by the UN Secretary-General, he was the Independent Lead Author of the UN Security Council-mandated Progress Study on Youth, Peace and Security (2018), under Resolution 2250. A co-founder and former Executive Director of the Centre for the Study of Violence and Reconciliation in South Africa, Simpson was also a civilian adviser in Nelson Mandela’s first cabinet and co-authored the country’s National Crime Prevention Strategy. He held senior roles at the International Center for Transitional Justice, overseeing global country programs and leading work on core justice themes. An Adjunct Lecturer at Columbia Law School for nearly two decades, he also held a visiting professorship at King’s College London. Simpson serves on multiple advisory and editorial boards, including the International Journal of Transitional Justice, and has published widely in books and journals covering a wide range of issues.