Providing tax preparation, accounting, payroll, and more since 1960
Schumacher Sama is a full-service accounting firm in Wauwatosa, Wisconsin specializing in tax preparation, accounting, payroll and advisory services. Since 1960, we’ve been serving individual and business clients throughout the metro Milwaukee area as professional CPA's. What started as a small endeavor has grown into a strong passion of 20+ staff members performing tax preparation, accounting, payroll and advisory services. Our dedicated CPA team is committed to creating real results for our clients. When it comes to taxes and accounting, your success is our success!
Meet Our Tax, Accounting and Administration Teams
In order to stay on top of tax and accounting industry trends and provide the best possible service for our clients, our staff regularly participates in continuing CPA-based education seminars, programs, and conferences to enhance our knowledge in tax preparation, accounting, payroll, bookkeeping and advisory services. Learn more about our tax and accounting services in-depth here.
What’s more? Many of our tax preparation, accounting and office team members have been with us for years. As a locally owned CPA firm, we love building lasting relationships with our clients and employees!
Say hello to the Schumacher Sama family below – your premier Waukesha and Milwaukee tax and accounting resource since 1960.
Our Promise as Your CPA Firm: A Dedicated, Personal Relationship
At Schumacher Sama, nothing is more important than building a personal relationship with you through your tax and accounting needs.
Our clients represent a broad cross-section of economic activity. No two organizations or individuals are exactly alike — we get to know your business in all major aspects, not just the tax and accounting function.
When you work with our team of professional CPA’s, you’ll have a team of experts prioritizing your tax and accounting goals as our own. We utilize our staff’s diverse skill-sets to provide you with the right expertise at the right time, from tax preparation, accounting, payroll and bookkeeping services.
Our experience and customer service as professional CPA’s are unmatched. We can’t wait to get to know you, aiding your tax and accounting needs!
Professional CPA Affiliations
We are members of both the American Institute of Certified Public Accountants (CPA’s) and Wisconsin Institute of Certified Public Accountants (CPA’s), and we have successfully completed industry-approved quality reviews through our tax and accounting services. Click here to view our most recent peer review report.
These professional CPA affiliations enhance our ability to offer the quality service you expect of a tax preparation, accounting, payroll and bookkeeping service firm.
Partners
Ryan Schumacher, CPA
Partner
1999
Favorite part of the job: Helping small businesses achieve their goals.
Fun fact: I brew beer.
Michael Sama, CPA, CMA
Partner
2008
Favorite part of the job: Working with our clients and staff to achieve results.
Fun fact: Despite being an accountant, I enjoy thinking outside the box.
TAX
Bob Drought
Senior Accountant
1992
Favorite part of the job: Everyday is different with all of the different aspects the job entails.
Fun fact: I enjoy playing softball.
Amanda Phanthourath, EA
Accountant
2022
Favorite part of the job: My favorite part of my job is being able to learn new things everyday. Every client is unique!
Fun fact: I love adventuring and trying new things.
Eric Grosskreutz, EA
Tax Manager
2023
Favorite part of the job: Assisting clients with their unique situations.
Fun fact: In my free time I enjoy playing volleyball.
Shari Schmidt
Tax Manager
2026
Favorite part of the job: Helping clients plan and execute tax strategies
Fun fact: I love to travel and want to fill the pages of my passport with stamps from around the world!
Katie Wonncaott
Senior Accountant
2025
Favorite part of the job: Working with a variety of clients and learning new skills.
Fun fact: I collect antique cameras and love to bake.
accounting services
Ashley Faulhaber, CPA
Accounting Supervisor
2020
Favorite part of the job: The collaborative environment that makes me feel like part of a team. The shared goals and genuinity of our office for helping clients is a rewarding experience.
Fun fact: I’m an avid crafter and comic book collector.
Judy Shabman
Payroll Manager
1974
Favorite part of the job: Working with clients and staff to help them through the complexities of payroll and deductions.
Fun fact: I enjoy old movies and opera music.
Marilyn Gest
Accountant
2019
Favorite part of the job: Learning the uniqueness of my clients’ businesses.
Fun fact: I enjoy listening to bands perform at summer festivals.
Administration
Renee Krause
CEC - Client Excellence Coordinator
2020
Favorite part of the job: Working with all of the people (both colleagues and clients)!
Fun fact: I'm a professional singer.
Stephanie Nichols
CEC - Client Excellence Coordinator
2025
Favorite part of the job: I thrive on streamlining processes to create seamless, efficient systems that enhance the client experience at every step.
Fun fact: I’ve run multiple half-marathons, self-published a book, owned a coaching business, and I currently sing in a local choir and cover band!
Shelley Massman
Office Manager
2020
Favorite part of the job: I enjoy working with our staff and clients. Everyday there is something new to be learned.
Fun fact: I love being outdoors in the summer, preferably doing activities on a lake.
What Our Clients Say
We have been clients of Schumacher Sama for 37 years. They are professional, great to work with, always doing their best for their clients. We highly recommend their firm for all your accounting needs!
Linda
Whenever I have a question they are quick to answer and I can trust its been done correct. Highly recommend everyone over at Schumacher Sama!
Nick
They answer all my questions without fail. They walk me through everything I need to help save me money. Their approach is methodical and calm and they find creative ways to deal with all my tax situations.
John
(414) 327-2320 • 10400 W. Innovation Dr. Ste 301, Wauwatosa, WI 53226 • Monday - Friday: 8 am - 5 pm
Summer Hours: Monday – Thursday 8am – 5pm Friday 8am – 12pm CST. • Copyright © 2025