https://www.skillshare.com/classes/Pie-Chart-in-Adobe-Illustrator-with-Hand-Lettered-Heading-using-multiple-Tools-and-Options/1248593309
This class will teach you how to create and completely edit and stylize the individual components of a pie chart in adobe illustrator followed by creating a legend(key) for this pie chart and finally adding a decent hand lettering styled heading and subheading to the graph.
this is a great class for beginners and regular users of Adobe Illustrator who are looking to learn and try out new ways to muse the vast variety of tools and options that Adobe Illustrator has to offer