Sally Slack is a PowerPoint expert and has been a communications consultant to IBM, Lenovo International, and State Farm Insurance. She is the author of ten books, including CNET Do-It-Yourself Digital Home Office Projects.

Michelle I. Zavala is a marketing writer and communications consultant who has worked with IBM, AT&T, and Hewlett-Packard. She is a contributor to the Brilliant Microsoft Office 2007 Pocketbook series and has written online learning courses for marketing and technology topics.