The need to effectively communicate your message during a presentation goes without saying (pun intended). Presentation mediums like Powerpoint and Keynote have the potential to help a speaker, but they too often serve as nothing more than containers for reams of text. “Death by Powerpoint!”, we joke to one another. So how do we improve? What are the core principles of preparation, design and delivery that make up a powerful presentation? In this post’s feature film, David Mackenzie, known for his engaging and powerful presentations, shares with us some of the ingredients in his secret sauce.