Randall Bolten, longtime Silicon Valley CFO, author of "Painting with Numbers: Presenting Financials and Other Numbers So People Will Understand You” and adjunct professor at U.C. Berkeley Extension.
There are so many ways to graph information, and many of them are not just labor-intensive, but cognitively ineffective – area charts, especially the particularly evil pie chart (more on that some other time!), frequently fall into that category. But even if you’ve chosen one of the more effective ways of graphing information, also remember that graphs work best when you’re trying to make a single, critically important point. One of the highest arts, if you want to be an FP&A star, is choosing the chart type that makes that one point most effectively.