His books are informative and very easy to read and his teaching is world class:
“I’ve held senior business intelligence roles for two decades and am familiar with many data visualization training programs. Nick’s course is currently the best data visualization training in the world. Despite having discussed and studied data visualization with many people over the years, it STILL left me with the feeling of having a reprogrammed brain. I want to go back and redesign every chart that I've ever created.”
- Chris Weis, Product Manager - Data Visualization, Kaufman Hall
