The organizers of each special session have invited the following plenary and semi-plenary speakers to speak at the conference.
- Low-Dimensional Topology
- Marissa Masden
- Radmila Sazdanovic (plenary)
- Michael Willis
- Set-Theoretic Topology
- Jocelyn Bell
- Vera Fischer
- Ivan Gotchev (Plenary)
- Topological Graph Theory
- Erica Flapan (Plenary)
- Joel Foisy
- Danielle O’Donnol
- Topology and Computing
- Henry Adams (Plenary)
- Hannah Fechtner
- Topological Dynamics and Continuum Theory
- Jonathan Meddaugh
- Piotr Oprocha (plenary)
- Patricia Pellicer Covarrubias
- Mary Ellen Rudin Award Speaker
- Francesco Fournier-Facio (Plenary)