Meet The Team

champlin accountants

Meet The Team Behind Bayerkohler & Graff

Bayerkohler & Graff, Ltd. was founded in 1997 in Champlin, Minnesota, and serves Hennepin County and the surrounding Twin Cities area.

Bayerkohler & Graff is Licensed by the Minnesota Board of Accountancy and is a member of:

Anoka Area Chamber of Commerce
Minnesota Society of Certified Public Accountants

It is our firm’s policy that all professional personnel comply with continuing education requirements of the Minnesota Board of Accountancy, in addition to maintaining an awareness and understanding of current technical developments.


Brian Bayerkohler, CPA

Brian co-founded Bayerkohler & Graff, Ltd in 1997. He is involved with all aspects of client services performed by the company. Brian specializes in business tax preparation and planning. With a strong background in multi-state tax issues and business start-up, he is a valuable resource for any business client. He supports all estate administration and estate tax preparation. Brian worked with a small influential firm based in Fargo, North Dakota, after graduating with a Bachelor’s degree from Moorhead State University (MN). Brian holds a Minnesota CPA license.



David Graff, CPA, MBA

David co-founded Bayerkohler & Graff, Ltd. in 1997. David’s responsibilities cover a wide range of services. He handles both individual and corporate income tax return preparation, as well as helps clients minimize tax liability through planning. David works with business clients to prepare budgets and provide management level analysis of financials to evaluate performance and identify opportunities. In addition, he represents clients for both IRS and state audits. David is a graduate of Moorhead State University (MN) and earned his MBA from the Carlson School of Management at the University of Minnesota. He holds a Minnesota CPA license.



Justin Soles, CPA

Justin is one of the partners of the firm.  His responsibilities include individual and business income tax preparation, monthly sales tax preparation, and monthly financial accounting. Justin is a graduate of the Carlson School of Management at the University of Minnesota-Twin Cities with degrees in Accounting and Finance. Justin holds a Minnesota CPA license.



Sarah Harvala, Office Manager

Sarah will likely be the first face you see when you visit our firm. She moved to the area from Colorado & has been with the firm since December 2013. Her role as office manager includes scheduling appointments, billing and billing questions as well as providing support with any customer service inquiries. She also manages the logistics of the office and supports all of the staff members with various projects.



Barb Bayerkohler, CPA

Barb’s responsibilities include individual and business income tax preparation, financial accounting, tax planning, business consultations, payroll and payroll setup, and research coordinator. Barb graduated from Moorhead State University (MN). She holds a Minnesota CPA license, and is a Certified QuickBooks ProAdvisor.



Ralph Vix, CPA, CVA

Ralph’s responsibilities include tax preparation and business valuation engagements. He has experience with various business sectors including construction, retail sales, veterinary services, and real estate. Ralph is also experienced in Estate and Trust planning. Ralph holds a Minnesota CPA license and a CVA accreditation from NACVA.



Louis Lachner, CPA, MAcc

Louis’ responsibilities include both individual and business income tax preparation, financial accounting, tax planning, and tax research. Louis graduated with his Bachelor’s degree in Accounting and Finance from Carlson School of Management at the University of Minnesota – Twin Cities and recieved his Master’s degree at Carlson. Louis holds a Minnesota CPA license.



Casey Eye, Office Administrator

Casey began interning at our firm in January 2014.  In April of 2014, she was welcomed as administrative staff.  Her responsibilities include individual and business tax return assembly, data entry, and monthly financial accounting.  She also provides support to our managers and staff accountants with various projects.  She is currently attending Minneapolis Community and Technical College with the intention of transferring to a four year college to get a Bachelor’s degree in Accounting.



Amy Martin, Staff Accountant

Amy’s responsibilities include preparing individual and business tax returns, tax planning, financial accounting, and tax research. She is a graduate of The Minnesota School of Business with a Bachelor’s degree in Accounting and is currently enrolled at Saint Mary’s University for her Master’s degree in Accounting.  Amy is a Certified QuickBooks ProAdvisor and is currently working toward her CPA. 



Ethan Turck, MBA, Staff Accountant

Ethan’s responsibilities include both individual and business income tax preparation, financial accounting, tax planning, and tax research. Ethan is a graduate of The Minnesota School of Business with a Bachelor’s degree in Accounting and a Master’s degree in Business Administration. Ethan is a CPA candidate.



  • “Bayerkohler & Graff has provided my business with exceptional accounting services since 2004. They handle every aspect of my accounting needs including tax returns, payroll and accounting software help. Every staff member at Bayerkohler & Graff is extremely knowledgeable and professional. Any time I have a question related to my business or personal financial matters they are quick to respond. If you are looking for high quality accounting services that are affordable I recommend Bayerkohler & Graff.”
    – Matt Lavigne, Lavigne Consulting, Inc.

  • “David's offered me invaluable advice and held my hand through every step of the process while getting various ventures off the ground and running. He's pro-active in his approach, notifying me ahead of time when there are necessary steps to take or costs to account for down the road. I trust David and know that I can count on him to keep me doing business properly.” – Dan Knutson, Center of Attention, Inc.

  • When I came to Bayerkohler and Graff my tax situation was extremely complex with multiple corporations and LLC's and I was under a federal tax audit for a multitude of tax years. It was a very stressful time. Barb Bayerkohler took a huge load off my shoulders and helped guide me to a successful conclusion of my audit with a favorable outcome. Since then, B&G tax returns for our business. They are a huge asset to us. If you are looking for a sharp CPA firm that is on top of their game, I highly recommend Bayerkohler and Graff. — Nick Leyendecker

  • The best accountants ever. I have used this company since 2002.
    — Connie McLean Montgomery

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