Adam Hennen

Adam Hennen

Adam Hennen

Certified Public Accountant (CPA)
Phone: 651-621-8523
Location: Roseville

Adam is a Principal in the Audit and Accounting Department of the Roseville Office of Olsen Thielen and specializes in the manufacturing, not‑for‑profit, wholesale/distribution, and telecommunications industries.


  • Conducts and supervises on audit, review, and compilation engagements of companies in various industries
  • Prepares quarterly corporate tax estimates and tax provisions for complex consolidated groups of companies
  • Provides cash flow and financial ratio trend analysis for industry benchmarking
  • Provides consulting services and training to client’s management and accounting staff
  • Prepares projections and forecasts for established companies
  • Prepares and reviews multi-company consolidated financial statements
  • Performs fraud risk assessments and internal control evaluations


Bachelor of Science in Accounting from Gustavus Adolphus College, St. Peter


  • Member of the American Institute of Certified Public Accountants (AICPA)
  • Member of the Minnesota Society of Certified Public Accountants (MNCPA)
  • Member of the Manufacturing CPAs
  • Member of the Association of Certified Fraud Examiners (ACFE) and the Twin Cities Chapter of the ACFE (TCCCFE)
  • Past Chair of the White Bear Area Chamber of Commerce
  • Treasurer of the Stillwater Area Lacrosse Association

Core Specializations

  • Wholesale/Distribution
  • Manufacturing
  • Not-for-Profit Organizations
  • SEC Companies
  • Insurance Companies
  • Telecommunications Companies
  • Fraud Investigation
  • Forensic Accounting
  • Litigation Support
We Value Your Privacy

This site may use cookies to store information on your computer. Some are essential to make our site work and others to improve the user experience. By using this site, you consent to the placement of these cookies and accept our privacy policy.