by Gregory Heller | Jan 21, 2026 | Episodes
Most presentation failures don’t happen because the presenter lacks insight. They happen because the artifact is wrong. If you’ve ever watched someone read dense slides out loud—or sent a slide deck as a pre-read only to get confused questions later—you’ve seen this...
by Gregory Heller | Jan 14, 2026 | Episodes
Data doesn’t persuade. Insight does. In this episode, I break down what effective data visualization really means—and why most charts fail to do their job. This isn’t about making slides look prettier. It’s about helping your audience think clearly,...
by Gregory Heller | Jan 8, 2026 | Episodes
The Glance Test is a simple but powerful rule for slide design: if your audience can’t understand the point of a slide within a few seconds, the slide isn’t doing its job. In this episode, I explain why slides that demand too much reading or decoding cause audiences...