Neenah Office Team
Brehmer Law LLC
The Brehmer Law LLC Team
The dedicated and knowledgeable legal team at Brehmer Law LLC has a wide range of experience in the areas of estate planning, business law, real estate law, probate, trust administration, tax law, and non-profit law.
To learn more about the people who will represent your legal interests, read on.
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Matthew D. Brehmer
Managing Partner
Background
Attorney Matthew D. Brehmer is licensed in Wisconsin and Florida. Additionally, he is a Certified Public Accountant and Certified Exit Planning Advisor. By having his unique dual designation (lawyer and CPA), Matt can provide more specialized and custom planning for his clients. Matt has been practicing law since 2013.
At the beginning of his career, he worked for a firm specializing in estate and tax planning for high-income wealthy individuals. He was co-author of “Tax Planning Opportunities After the American Taxpayer Relief Act: Tools, Tips, and Tactics” in 2014. Shortly after that, he joined a local Neenah law firm.
Matt was born in Neenah and grew up in the Fox Valley and Green Bay area, so establishing a practice in Neenah was important to him. Matt became a shareholder at that local Neenah law firm in 2019 and practiced there until October 2021.
On November 1st, 2021, Matt started his law firm, Brehmer Law LLC, in downtown Neenah where he continues to develop his practice with an emphasis on estate planning, business transactions, and tax planning.
Matt stays busy helping his clients, as well as being involved in many local organizations, such as the Leadership Fox Cities Alumni Association (President), Fox Valley Estate Planning Council (Past President), Reach Counseling Services (Treasurer), Fox West Chamber (Director), Rotary Club of Neenah (President Elect), and Future Neenah (member of Maintenance Committee).
Amanda Rosenbeck
Director of Firm Operations
Background
Amanda joined the firm as Director of Firm Operations in December of 2021. She is responsible for financial management, human resources management (including recruitment), benefits administration, vendor relationship management, marketing, and managing the buildout of our current office and future offices.
She comes to the firm with over two decades of experience in operations and human resources management in a variety of industries within the Fox Valley. Her background includes project management, employee relations, talent acquisition, and account development.
Amanda was born and raised in Neenah but currently resides in Combined Locks. When not working, she enjoys spending time with her husband and 4 children, boating, rooting for the Packers, and attending her children’s many sporting events.

Trista Phillips
Administrative Assistant
Background
Trista joined Brehmer Law in August of 2024 as the Legal Administrative Assistant. Trista started her career at a different Law Firm in the Fox Vally in 2021 as a Clerical Assistant. Trista has the previous experience to learn and grow into her position at Brehmer Law; such skills include organized, team player, time management, and communication.
Trista currently lives in Appleton but graduated high school from Menasha. She has two cats, an orange tabby, and a black tortoiseshell. Her husband and her recently moved into their first home, and have been doing all the things first home buyers do, renovating! She has 4 younger siblings that she is very close with and sees on a weekly basis. She likes to spend her Saturday mornings at the famers market, eating corn on the cob and finding a different coffee place to experience.
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