Marilyn has tax offices in Port Huron, St Clair, and Marine City, Michigan. She has been an enrolled agent since 1977 and has her Series 7 and 63 Securities Licenses with Sigma Financial. Marilyn instructs for NATP, Michigan-NATP, other NATP chapters, NAEA chapters, and private firms as well as her own classes under Much & More Income Tax Workshops. She serves on the Michigan-NATP board of directors, serving on a number of committees, and is on the Michigan Treasury Advisory Council. She is also on the National Board of Missionary Investment Fund and does investment counseling for those in financial trouble. She is a member of COMPASS and St. Clair Christian Business Group. She began her tax career in 1967 and has been a member of NATP for over 30 years.