Yes, public speaking scares the daylights out of most people because they don't know how to prepare. Two tips: script the entire presentation just like actors have done for them.
Then, rehearse, rehearse, rehearse exactly as you will be on stage. Walk the room, use effective hand gestures, use your strong voice, notice your pace and know your presentation so well that you don't need notes.
Related: Advisors: Be the Leader You Are Being Paid to Be
Be organized and believe you can nail it and give your audience something they'll remember!