Jonas Hallgren

Uppsala, Sweden

Bio

Updated 03/22/26

Jonas Hallgren is a researcher and community builder based in Uppsala, Sweden, focused on AI safety and multi-agent coordination. He co-founded AI Safety Sweden in September 2022 and previously served as Lead Organizer of Effektiv Altruism Uppsala. He is Co-Director of Equilibria Network, where he builds simulation infrastructure to test coordination mechanisms at the intersection of game theory, active inference, computational social science, and democratic mechanism design. He has received Long-Term Future Fund grants for establishing AI safety groups at Swedish universities and for creating a distillation course to help new AI safety theory researchers engage with technical literature. He has also served as a full-time mentor for the AFFINE Superintelligence Alignment Seminar and as an AI Researcher at Digital Democracy World.