I write books.

My practical, accessible, immediately useful books show you how to make slides, reports, dashboards, and graphs that look just as pro as you are.

Check your Charts!

I have pulled together research-based design guidelines for data visualizations. Use this interactive guide to rate your visualizations and spot places to improve your work and impress your audiences with clarity and insight.

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For the Love of Font Size

For the Love of Font Size

Did you know that you regularly read type set in size 8, or even smaller? In printed materials, captions and less important information (think: photograph credits, newsletter headline subtext, magazine staff listings) are usually reduced to something between 7.5 to 9...

Arranging Logos on a Slide

Arranging Logos on a Slide

Even skilled graphic designers are frustrated by the never-perfect task of arranging logos on a slide. So don’t feel bad. It’s a pain, no question. You probably have to arrange logos on slides or a website to thank sponsors, acknowledge partners, or brag about your...

Histomaps

Histomaps

The histomap is one of the oldest, and most famous, ways to present qualitative data over time. The first example was created by John B. Sparks in 1931, titled “The Histomap: Four Thousand Years of World History.” At the time it was printed, the chart was marketed as...

Graph Text Should Be Horizontal

Graph Text Should Be Horizontal

In languages based on the Latin alphabet, we read horizontally, from left to right. Reading on a diagonal produces cramped necks. Reading vertical text is just not going to happen. So, as much as possible, the text in our graphs should be horizontal. Let's walk...