Nine foundational principles from speechmaking that will help you see data visualisation in a new light

Illustration of woman presenting a chart
Illustration of woman presenting a chart
Image from unDraw

What do good speeches and good data visualisation have in common? More than you may think.

Aristotle — the founding father of all things public speaking — believed that the job of an orator was to discover the best available means of persuasion. That includes, first, defining all the arguments that can be made for and against a given proposition, then selecting those that will hold most sway with the audience and communicating them in the best possible manner.

Does this sound familiar? To me, an orator’s work seems very similar to that of data visualisation designer’s. We explore data…


Eight accomplished data visualisation designers share their hard-earned wisdom

Let’s be honest — data visualisation is not easy to master. One of the underlying reasons is the dynamic nature of the field. Our understanding of what works and what doesn’t evolves every day thanks to research and experimentation. The general public’s knowledge of charts also keeps improving. Hence, our best chance of developing robust data design skills is through a process of trial and error.

The good news is that every expert in the field has gone through this process. By listening to their experience, we can make ours smoother. That’s why I reached out to eight data visualisation…


How I went from making simple charts to running workshops, and what I learned along the way

The first important job of my career was that of a financial analyst. I worked at this position for five years and created many data visualisations (commonly known as data viz). Most of the time, I chose a chart recommended by Excel. This meant that I didn’t pause to ask myself whether the reader could easily understand the data behind it. Ten-colour stacked bar charts and multiple pies seemed fine at the time.

Evelina Judeikytė

Data Designer 📊 • www.evelinajudeikyte.com

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