The video shows a man standing on a stage in front of a large screen. He is wearing a black suit and holding a microphone. The screen behind him displays various slides, including one that reads "Pre and Post Treatment B". The man appears to be giving a presentation or speech, and his shadow is visible on the screen. The stage has a large red "TEDx" sign, indicating that this is a TEDx event. The lighting in the room is dim, with the focus on the man and the screen.