1.    Practice, practice, practice. Know your topic.
2.    Speak with passion.
3.    Be energetic. (Body language is just as important as what you have to say.)
4.    WIIFM - (What's in it for me?) Your listeners want to know how they will benefit.       
5.    Make positive eye contact with your audience.
6.    Always remember, people love stories. Don't hesitate to share them.
7.    Adding multiple insights to your presentation will give you credibility.
8.    Whatever you say, say it like you know it!
9.    Make it a point to grab your audience's attention right away.
10.  Never share more than three or four points. Keep it simple.