What are the different ways to work with Subject Matter Experts to build a presentation?

Clarify the goal of the presentation.
Determine a clear call to action for the audience.
Answer the question, "why will this call to action benefit the audience?"
Focus on message before building slides.
Focus on the flow of the presentation when reviewing and editing. 
Pay attention to transitions.
Help the subject matter expert build slides.
Develop a point of view on the content and make suggestions based on that point of view 
and your knowledge of what the audience needs.
Develop a script.
Practice the presentation. Edit the script after practicing when you see improvements.