- AMS Special Session Singer-Hopf Conjecture in Geometry and Topology, March 18-19, 2023, Georgia Institute of Technology, Atlanta, GAProvidence, Rhode Island : American Mathematical Society, [2025]
- conference Regulators V, June 3-13, 2024, University of PisaProvidence, Rhode Island : American Mathematical Society, [2026], © 2026
- AMS Special Session on Equivariant Cohomology, March 19-20, 2022, virtualProvidence, Rhode Island : American Mathematical Society, [2024]