In the video, a man is standing in front of a whiteboard. He is wearing a gray t-shirt and has a beard. He is holding a marker in his hand and is speaking to the camera. The whiteboard is blank, and the man is gesturing towards it as he speaks. Behind him, there is a bookshelf filled with books of various colors. The man appears to be giving a presentation or lecture, and he seems to be engaging with his audience. The lighting in the room is bright, and the man's expression is serious as he speaks.