David is a CPA and owner of Accounting Advisors, Inc., an Atlanta-based spreadsheet consulting firm that he started in 1991. Throughout his career David has spoken at conferences on Excel, and written dozens of freelance articles about spreadsheets. David's webinars receive rave reviews, and attendees particularly like his detailed materials. His handouts include numbered steps that make it easy for you to carry out the same techniques that you'll see him demonstrate live during the webinar. Further he provides an example workbook that includes copies of the PowerPoint slides, so you easily try out the techniques he discusses during the presentation.