
Wiley Expert
David Ringstrom
David Ringstrom, CPA, is an experienced consultant and trainer specializing in Microsoft Excel and accounting software. He has delivered thousands of webinars, authored numerous articles, and served as a technical editor for many publications.
2 Courses by David Ringstrom

Microsoft 365 Excel For Dummies
Your Step-by-Step Guide to Mastering Excel in the Office
Explore the essentials of Excel, from building your first spreadsheet to automating tasks with macros and AI. You'll learn how to manage data, perform calculations, and create visualizations that make information easy to understand. By the end, you'll be ready to use Excel confidently in any setting.
Wiley | 2026 | 464 min

QuickBooks Online For Dummies
Master QuickBooks Online from Setup to Advanced Features with Ease
Get comfortable with QuickBooks Online by learning how to set up your account, manage transactions, and use advanced features like payroll and inventory. Discover how to streamline your workflow and make smarter business decisions with custom reports and automation tools.
Wiley | 2026 | 400 min