When your slides rock, your whole presentation pops to life. At TED2014, David Epstein created a clean, informative slide deck to support his talk on the changing bodies of athletes. Photo: James Duncan Davidson/TED

Aaron Weyenberg is the master of slide decks. Our UX Lead creates Keynote presentations that are both slick and charming—the kind that pull you in and keep you captivated, but in an understated way that helps you focus on what’s actually being said. He does this for his own presentations and for lots of other folks in the office. Yes, his coworkers ask him to design their slides, because he’s just that good.

We asked Aaron to bottle his Keynote mojo so that others could benefit from it. Here, 10 tips for making an effective slide deck, split into two parts: the big, overarching goals, and the little tips and tricks that make your presentation…