David H. Ringstrom, CPA
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About the Author
David H. Ringstrom, CPA, started Accounting Advisors, Inc. in 1991, and has offered spreadsheet and software consulting services for almost 25 years. He has worked as a freelance writer since 1995 and has served as technical editor for more than 30 books over the past 10 years. He teaches continuing education classes online for 17 different providers.
