Our Team

David H. Ringstrom, CPA
Phone: 404-784-0275
Email: david@nullacctadv.com

David is president and founder of Accounting Advisors, Inc. He is a nationally recognized expert on Microsoft Excel, and regularly leads training classes both for Accounting Advisors, Inc, as well as national training providers. David has written numerous freelance articles on Microsoft Excel and other topics, and has served as the technical editor for over 20 books on various software topics.

Melissa R. Harden, CPA
Phone: 678-300-7226
Email: melissa@nullacctadv.com

Melissa joined Accounting Advisors in 1998, and is our in-house Microsoft Access specialist. Melissa is also a Microsoft Excel expert, and frequently completes projects that integrate Microsoft Access and Excel with accounting packages such as QuickBooks and Sage 50 (formerly known as Peachtree Accounting).

Lauren H. Lummus
Phone: 770-856-6938
Email: lauren@nullacctadv.com

Lauren joined the firm in 2011, and has been integral in revamping the company web site, as well as developing training materials for the customizable training and live webinars that David frequently offers.