Know your subject in and out. Anticipate questions and mentally prepare answers. Know your audience. Read the room. If people start being bored, speed up and c

Know your subject in and out. Anticipate questions and mentally prepare answers. Know your audience. Read the room. If people start being bored, speed up and cut straight to the chase. Practice your verbal skills in front of a mirror. People pay closer attention to beautiful people, so try to improve your appearance if you can. Start working out, get a fresh haircut, clear up your skin, that sort of thing.