| Author(s) | Session |
| O Connor, Patricia | Poster Slam, Session, and Reception Presenter Session 7A: Short Papers Session Chair |
| Ogawa, Jun | Poster Slam, Session, and Reception Presenter |
| Ohge, Christopher | Session 2A: Long Papers Presenter |
| Ohmukai, Ikki | Poster Slam, Session, and Reception Virtual Poster Session on Gather.Town |
| Okada, Kazuhiro | Poster Slam, Session, and Reception |
| Orr, Jennifer | Poster Slam, Session, and Reception |