This will help get rid of the jitters. However, this can't make up for lack of preparation or practice. You really need to grab 'em at this point. This may sound silly, but the acceptance or rejection of your idea may turn on how well you open. Statement of objectives.
Objectives are critical.
They represent why you and the audience are present. There should be at least three and normally not more than five. This is a balance between a presentation that provides significant information, yet doesn't confuse the audience with too much information. This is the actual presentation information. Too much detail.