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Areas of Expertise
Calvin P. Shannon is a Principal of Boeckermann Grafstrom & Mayer. With more than 15 years of experience, Calvin provides tax, audit, advisory, estate planning, and trust services. He also has experience in business valuation services and in employee benefit plan audits. Calvin is skilled at understanding clients’ challenges and opportunities, and working with them to develop and implement innovative and unique solutions.
Boeckermann Grafstrom & Mayer, Certified Public Accountants
2012 – Present
Johnson, West & Co., PLC, Certified Public Accountants
St. Paul, Minnesota
1999 – 2012
LICENSING, MEMBERSHIPS AND HONORS
- Licensed as a Certified Public Accountant (CPA) license in Minnesota
- Member, American Institute of Certified Public Accountants
- B.S., Accounting, College of Business, Minnesota State University, Mankato, MN, 1999