Sarah Wrenn traveled to our company in Chicago for a cause mapping class. The all-day training was informative and surprisingly pleasant. She is very knowledgeable, with an impressive background, and did a great job of fielding questions and guiding the conversation back on course. An appropriate mix of humor and instruction. Her voice was dynamic, interesting and fun to listen to. Also threw in some great Excel tips! Everyone stayed engaged the whole day, which is quite impressive.