About Us Experts Mary B. Andersen

Mary B. Andersen


Mary Andersen is President and founder of ERISAdiagnostics, Inc., an employee benefits consulting firm that helps clients navigate ERISA compliance obligations.

Ms. Andersen’s career spans decades of experience as an employee benefits professional in the corporate world and as a consultant. In her role as consultant, she has worked with many Fortune 500 organizations as well as small companies. She is the go-to person for Forms 5500 preparation and other ERISA requirements.

Before starting her own consulting business, Ms. Andersen was a Principal at the Vanguard Group where she built a department dedicated to providing ERISA consulting services. She also spent 12 years at Coopers & Lybrand, now known as PriceWaterhouseCoopers, where she was jointly responsible for developing and building a national compliance review practice.

She has been a frequent speaker at employee benefit professional gatherings and she has written numerous articles on compliance related issues. She also is co-author of the Form 5500 Preparer’s Manual. Her website http://www.erisadiagnostics.com houses articles, tools, and resources pertinent to benefits compliance.

Ms. Andersen serves on the American Society of Pension Professionals and Actuaries (ASPPA) Reporting and Disclosure Committee, which keeps abreast of government employee benefit reporting and disclosure breaking news and technical releases in addition to closely monitoring legislative and regulatory actions.

She is a graduate of Western Michigan University with a BS in Math. She is a member of the CEBS charter class and holds the ISCEBS fellowship designation.  She also holds ERPA and QPA designations.