David H. Ringstrom, CPA, is a nationally recognized Microsoft Excel expert and the president of Accounting Advisors, Inc., an Atlanta-based firm he founded in 1991. With over three decades of experience, David has built a reputation for translating complex Excel functionality into practical, real-world solutions for accounting and finance professionals. A seasoned educator and consultant, David delivers Excel training through live webinars, on-demand courses, and in-house programs. He has taught hundreds of Excel-focused sessions across the country and is a frequent speaker at industry conferences. His teaching style is known for its clarity, hands-on approach, and emphasis on time-saving techniques.