| Date | Time | Hall | Session | Role | Title | Name |
| 2019-09-09 | 07:30-08:30 | Room 311B | Lumbar Lateral Interbody Fusion | Moderator | Oscar Luis Alves | |
| 2019-09-12 | 07:30-07:45 | Room 311B | WFNS Spine Committee Symposium | Symposium | Surgery around V2 Segment of Vertebral Artery | Oscar Luis Alves |
