Calvin Shannon, CPA, CVA

Direct: 651-287-6327

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Calvin has over 17 years of experience providing tax, audit, estate planning and trust services. Calvin is skilled at understanding client’s challenges and working with them to develop and implement innovative and unique solutions.

Assists organizations to address the industry’s unique and ever-evolving issues. He enjoys having the opportunity to work with cannabis clients to understand their business needs, and to provide timely solutions

Professional Experience

Boeckermann Grafstrom & Mayer, LLC, Certified Public Accountants
Bloomington, Minnesota
2012 – Present

Johnson, West & Co., PLC, Certified Public Accountants
St. Paul, Minnesota
1999 – 2012

Licensing, Memberships & Honors

  • Licensed as a Certified Public Accountant (CPA) license in Minnesota
  • Member, American Institute of Certified Public Accountants


  • BS, Major: Accounting
  • College of Business, Minnesota State University, Mankato, Mankato, MN, 1999