1. Know the room. Be familiar with the place in which you will speak.
2. Know the audience. Greet some of the audience as they arrive.
3. Know your material.
4. Relax. Ease tension by doing exercises.
5. Visualize yourself giving your speech.
6. Realize that people want you to succeed.
7. Don't apologize.
8. Concentrate on the message
9. Turn nervousness into positive energy.
10. Gain experience.
via zaban