In the video, a man is standing in front of a whiteboard with mathematical equations written on it. He is wearing a yellow blazer, a purple sweater, and a white shirt. The man is speaking to the camera, and his hands are moving as he talks. The whiteboard behind him has the words "Model 2" written on the top left corner, and there are several mathematical equations and graphs drawn on it. The man appears to be explaining the content of the whiteboard.