Who is your audience? (what do they do, why are they here, what is it important to them, what do they want to learn, what problems do they want to solve?)
What do you want your audience to know/do?
Structure the presentation like a story (beginning, middle, and end.). Eg. Start with a problem, go over it in the middle and try to solve it at the end. Find common ground with your audience.
Hero’s journey technique, TedTalk powerful, inspire audience to take action, and make change (eg. Personal story)